Doctor's Note

Other benefits of exercise include a strengthening of cancer defenses (Exercise & Breast Cancer and Is It the Diet, the Exercise, or Both?), an improvement in cognition (Reversing Cognitive Decline), and a longer lifespan (What Women Should Eat to Live Longer).

This reminds me of other safe, natural, side-effect free solutions like tap water gargling to prevent the common cold (Can Gargling Prevent the Common Cold?) and drinking water to improve scholastic performance in kids (Does a Drink of Water Make Children Smarter?). The fact that they are cost-free is both an advantage (they're free!) and disadvantage (no corporate budget driving their promotion so we never hear about this kind of research). If only corporations could find a way to stuff exercise into a pill bottle for their stockholders…

For more context, check out my associated blog post: How to Treat ADHD Without Drugs.

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  • John C. Smith

    Speaking as an adult sufferer of ADHD: 60 to 90 minutes is not going to cut it. There is no recess for me to enjoy when I have to work a shift. I can’t pop by the gym and pump out a work out every 60 to 90 minutes when I spend a day at college.

    That doesn’t mean that I DON’T engage in exercise for all the other stated benefits. It’s just a bit annoying to have people demean a legitimate condition with a legitimate medication.

    • BeetsBeansButts

      I don’t think he is being demeaning. I think what Dr. Greger is doing is demonstrating the evidence that exercise can be used as a sort of effective treatment for ADHD, while demonstrating the negative side-effects of medications. That doesn’t necessarily mean medications are a bad choice.

      But I know what you mean. People often tell me that they don’t think ADHD actually exists. That somehow a lack of attention is due to a lack of willpower or something.

      I am in Med School now, and I don’t think I would have made it here without medication.

      I feel for you John Smith. Attention issues are rough.

    • lena98765

      I don’t think it’s demeaning, Dr Greger also posts about treating migraines without medication for example, that doesn’t mean he says migraines aren’t a legitimate condition.
      That said, I totally agree that the fact that exercise only works for an hour or so makes it practically worthless as a treatment for ADHD. At best you could say that if you had a test coming up and had the possibility to do some exercise right before that, it might be a good idea to do that. But for day to day life, work and study, people need something that works for 8 hours, not 1.

      • Kimberly

        You know what that says to me, assuming you’re correct in saying that medications are necessary in order to function in this society? That perhaps society is the problem, and that we need to restructure things so that all people, of all kinds, from the hyper-focused to those constantly needing to explore new things, etc. can function optimally. Seems ludicrous to me that we should expect all children to be able to sit still for hours every day, learn in the highly rigid, controlling way we’ve decided is appropriate (rather than letting them pursue their own interests, making the material more exciting, encouraging and fostering true excellence rather than praising meaningless achievement, etc.).

        • sf_jeff

          Yes and no. I agree completely that kids will do far better if they pursue what they are fascinated about, but unfortunately, there are some things that kids don’t want to learn but need to. It would be nice if there was a way to create that fascination for new topics.

          Also, regarding meaningless achievements. Praise and criticism should be on what they did, not who they are. Young chess players who were told they were brilliant when they one a game had a much more fragile attitude than you chess players who were congratulated for working hard.

        • Γ214

          Note that children are not the only sufferers of ADHD. It is generally a lifetime condition. Better control over your environment can help less-severe cases live almost normally, but severe cases will have problems in pretty much any feasible environment, even among non-Western cultures.

    • Tan

      The video doesn’t claim ADHD isn’t legitimate. It also states that medication and exercise both work, while stating the obvious extra benefits of exercise. That’s far from a “demeaning” or bold statement.

    • Truth

      Make time. Your boss isn’t the owner of you and maybe you could be a little more creative about exercise instead of taking like you’re a slave.

    • sf_jeff

      Another way of looking at it is that exercise plus medication might work better than education alone.

      I have read about top chess professionals that were having trouble concentrating in an important tournament and fixed the problem by walking into the hallway and sprinting for 30-60 seconds.

    • Camille

      My psychologist says to exercise for adhd. After watching this, beginning to think I need a job where I do physical activity all day. Participated in exercise program led by kinesiologists who seemed like they wouldn’t be able to pay enough attention if they had desk jobs. One would joke about it all the time. They would all say they’re not good at keeping track of the rep count.

      • Γ214

        Moving about constantly does help, but it doesn’t ameliorate the symptoms, it just lets you take care of the restlessness and fidgeting. That said, inattention and impulsivity are worsened when freedom of movement isn’t granted, so there is that.

  • BeetsBeansButts

    I take Adderal occasionally. Diagnosed as a kid.

    I usually medicate with coffee and tea, which probably have lower side effects than AMPS.

    I’m not an expert on ADHD, but it seems to me that severity can vary, and that the struggle can be task dependent. i.e. I can cook just fine, but I struggle organizing my thoughts enough to clean my room.

    I commute by bike. Now that I read this, yeah it is easier for me to task in that time period right after I get to my destination.

    I think that we could be helping kids with ADHD in identifying what tasks they think they need the medication for, and what tasks they can manage without medication.

    • BeetsBeansButts

      Dr. Greger.

      Is there any evidence that caffeine is an effective treatment for ADHD?

      In the mean time I can use it as a reason to drink more green tea.

      • Camille

        I had a psychiatrist who recommended I drink a cup of coffee in the morning because I was foggier when I’d get up. I think it’s very useful for me. I can’t take any ADHD meds (at least the all the ones available before 2010.)

      • Γ214

        October 1973, American Journal of Psychiatry (or psychology, I can’t recall. I had to look at it via microfiche while at college and didn’t create paper copies) found that caffeine administered via coffee had a significant impact on symptoms of ADD (the actual diagnosis then… the H came later).

        That was the only published study I could find while at university. It helps me to an extent, but pales in comparison to amphetamine. Interestingly, I accidentally found that pseudoephedrine helped significantly while doing a web design project during a cold. It isn’t that odd, really, seeing as how it shares the same phenethylamine base structure as amphetamine, dopamine, norepinephrine, and epinephrine. This was, however, at the end of a 5 year period where I no longer to amphetamine starting mid-high school. This actually prompted me to go back to my psychiatrist to start taking amphetamine again.

  • B

    I’m a psychotherapist and have had ADD symptoms throughout my life. In studying and exploring various natural and alternative treatments for this I’ve found a number of very helpful things. Not just exercise, but various movements that activate cross-hemispheric stimulation are very good, like walking & biking. There are exercises called Edu-K that have been used with kids that involve simple left-right alternating movements and something as simple as tossing a ball or hackey sack back and forth, left to right hand, following the movement with your eyes has a calming and centering effect.

    I’ve focused on foods that can increase dopamine levels; walnuts, wheat germ, dark chocolate (cocoa powder), oats, and fava beans. I also drink a lot of strong green tea (in the form of matcha green tea powder) which gives me an alert calmness and clarity of mind. The original prescription drug for ADHD was called Deaner. Ritalin made it obsolete and it’s no longer a prescription med, but is available as a nutraceutical supplement called DMAE (I get a vegan formulation). It’s a chemical found in sardines and anchovies, has a mild stimulant effect and has been written about as a “smart drug”.

    I don’t thing there’s a lot of specific research on these things, but with myself and coaching others with ADHD, have found them to be safe and helpful alternatives to amphetamines for many people.

    • Camille

      I heard that the heating process to make chocolate kills the benefit of the cocoa bean.

    • Γ214

      The generic name for Deaner is deanol (made by cutting up Dimethylaminoethanol, aka DMAE). Unfortunately, beyond being known to raise acetylcholine in the brain (crosses the BBB better than acetylcholine), little is known in modern pharmacodynamics as to why it works the way it does. Plenty of sites do sell it as a nootropic.

      Most sites with more academic understanding of it (but still from a nootropic standpoint) tout centrophenoxine, which is DMAE and another substance bonded together, used for alzheimer memory problems.

  • Dan Lundeen

    This is not that surprising! Intense exercise is known to grow brain cells, reduce anxiety and ameliorate depression etc. See

    Why not employ a tool that has only beneficial side effects?

    • LynnCS

      Because most of us/me, will exercise as a last resort when we feel all scattered. All I want to do is get straightened out and calm.

    • Camille

      I got plantar fasciitis trying to do intense exercise everyday. I think this video is misleading to say exercise only has beneficial side effects and perhaps will never consult this website again because of it. Apparently, you’re only supposed to do it 5 days a week at the most, but that was pretty much what I was actually doing in reality. I think I need to do every other day, which is recommended to prevent injury and thus increase the likelihood to stick to it.

  • B

    In my original post I mentioned Edu-K exercises to help with ADHD and didn’t realize that this was an old term for what is better known as “Brain Gym”. You’ll find much more info on this if you Google, Brain Gym ADHD.

  • Felina

    My daughter is eleven and takes Adderal. We really didn’t want to use medication with her, but she begged for it because she was struggling so much. In the end we agreed to let her try it because, she knows her body better than we do. She gets on average about two hours of strenuous exercise daily, sometimes more, as she has a black belt in martial arts and both attends and teaches classes. She takes the lowest dose possible, and it flushes out of the system quickly. For her, it’s like night and day. It makes a huge difference for her, and her reading skills are now almost up to grade level. So far she’s had zero side effects, and done amazingly well on it.

    • Γ214

      Glad to see another success story. I probably would never have made it through even middle school without being put in the special ed courses due to my impulsivity and inattention. I was sufficiently intelligent to understand the material if it was interesting enough, but if it was mundane I was hopeless. Unfortunately, most early school work is mundane (basic math, grammar, writing, penmanship, history, etc).

      Adderall helped me become a better learner, and less of a danger to myself and others. I wasn’t perfect in terms of behavior, still being far below my peers, but I was able to learn and use my mind in a way that only ever occurred when I was very interested in something.

  • Southlander

    Anyone can find and excuse NOT TO EXERCISE. Your objective is to find an REASON/EXCUSE TO EXERCISE and, exercise is not just pumping iron. Walking, stretching, isometrics, biking to work etc. are all forms of exercise. Don and I CAN! :-))

  • Shan Leamon

    ADD and ADHD have been linked to other conditions, as well. I have had severe ADD since I was a kid. When I was diagnosed with Celiac Disease and started a gluten-free and eventually gluten-free vegan diet, my symptoms became much more manageable.

    It just depends on the person. Exercise works for some people and not others like many treatments.

    • Γ214

      Yes, ADHD is sometimes secondary to an underlying condition. It might be secondary to more issues, too, but we have yet to identify them since ADHD tends to explain the symptoms and traditional stimulant and non-stimulant medications tend to reduce the symptoms. Glad to see you discovered the root of most of your symptoms, I am still looking for mine.

  • Ronald Chavin

    Exercise can have bad side effects too. (1)Exercise greatly increases oxidative stress in the short term. Studies have shown that people who exercised after eating plants got much more benefit and much less harm from the exercise compared to people who exercised without the presence of plant-based antioxidants in their blood. (2)The numerous benefits of exercising regularly are all completely lost after a person stops exercising for only 3 months. In other words, people who exercised continually for several years will revert back to exactly what they would have been if they had never exercised if they quit exercising for only 3 months. To retain the numerous benefits of exercise, people would need to exercise continually and never quit until the day they die. (3)Exercise wastes time and decreases comfort during life. (4)People who exercise regularly suffer from more injuries, accidents, and even crimes compared to people who don’t exercise. Stress fractures have been shown to be much more common among people who exercise. Fatal heart attacks can be triggered by exercise. Joggers have been shown to suffer from knee injuries due to wear and tear and increased arthritis. Accidents and crimes are leading causes of death.

    For example, Jane Higdon, Ph. D., who worked for the Linus Pauling Institute at Oregon State University as their most respected nutritional author, died painfully after being run over by a truck while exercising with her bicycle on a beautiful road:

    Jane Higdon’s sudden death at age 47 reminds us that Exercise Can Heal, Exercise Can Kill.

    • Martyn

      Exercise wastes time and decreases comfort during life? You sir, are an idiot.

      • Please no ad hominem attacks. Everyone has the right to express their opinion.

    • Camille

      Yes, I agree there are side effects, although not necessarily your list. That being said, I had a resident doctor tell me the benefits outweigh the risks, in case anyone thinks it’s better to omit exercise completely.

  • Mivrach

    If that was true no hyperactive child would ever had attention-deficit.

    • Camille

      Being hyperactive doesn’t mean you’re doing intense physical cardio.

  • There are so many good reasons to exercise I am always happy to see new angles of evidence for the benefits of being active animals. For a thorough report of the effects of physical activity on symptoms of ADHD – and a whole list of other challenges assisted by activity – Ratey’s book Spark is a must read. Thanks for underscoring the connection, Dr. Greger.

    Lani Muelrath

    • LynnCS

      Thanks, Lani, for the book suggestion. Sounds like a great read.

  • Dr Michael Bell

    What is the evidence to prove that stimulants help ADHD issues?

    • Actually the evidence based on studies shows no long term benefit. I would highly recommend that you read Robert Whitaker’s book, The Anatomy of an Epidemic, especially chapter 11.. The epidemic spreads to children. His book reviews the history and studies concerning the common psychiatric dx… schizophrenia, depression, anxiety, bipolar an ADHD. Given the studies he cites I can no longer recommend anti anxiety and antidepressant medications for longer then 6 weeks in adults. The use of stimulants such as Ritalin, a dopamine reuptake inhibitor, in children is something I can’t recommend. I would recommend that any physician who writes Rx’s for psychiatric medications read his book and look into the studies he cites. Patients and parents of children considering drug therapy should read the book as well. Giving children whose brains are still actively forming a drug with similar but longer acting actions to cocaine should be approached only after consideration of all the evidence and with a large dose of the precautionary principle. Physicians have a responsibilty to “first do no harm”.

      • edgeof 2

        very interesting….

      • Camille

        As far as I have ever heard, ADHD meds are just recommended for short term, so that you can focus enough to build a foundation of necessary skills and get off the meds.

        • Γ214

          Inattention and impulsivity are generally life-long problems, even with early medicinal and non-medicinal intervention. Some folks do manage to cobble together enough coping mechanisms to function as adults w/o meds, but most do not. These are the people spending a few weeks to 2-3 years at a job before being fired because those coping mechanisms fail after a period of time in most workplaces. Meaningful relationships also suffer after a short period of time after the start. With enough effort, most folks with ADHD can function like one would expect, but eventually that effort is just too much. They also tend to self-medicate with legal and illegal drugs. Stimulant medication treatment actually decreases the likelihood of abusing drugs.

          Plenty of folks suffer from ADHD as adults, whether medicated as children or not. Quality of life issues are greatly improved in medicated adults.

      • Julie Fischer

        With all due respect to Dr. Forrester and his opinion, I have a frustration similar to Dr. Greger’s …just as primary care doctors have little to no training in nutrition, similarly they have little to no training or experience in mental health issues. Too often PCP’s give advice based on less than solid evidence, with a just a general knowledge (or their own personal beliefs) of the mental health issue they are “treating”, and are too often the sole decision makers about medications for mental health issues their patients bring to them. Giving information or advice without the facts or necessary knowledge is a grave disservice and can result in mis-information to the general public about various mental health issues. Fighting the stigma and the myths that currently abound about ADHD is one of the hardest parts of dealing with the condition for the afflicted as well as her/his family members.
        As a mental health professional who has specialized in treating ADHD for 20 years, as well as the parent of a son with ADHD, I would encourage everyone interested in ADHD to read anything and everything by Dr. Russell Barkley. This psychiatrist expert has spent his life studying and educating people about ADHD. Anyone interested in both clinical information, medication efficacy and side effects, other effective adjunct treatments for ADHD, as well as general guidelines for parents, educators, medical doctors, teachers, should start with Barkley’s book “Taking Control of ADHD”.

        My family and I, including my ADHD son, are vegan and follow a whole food plant based diet and are regular exercisers; (we LOVE Dr. Greger and this site!!) but lifestyle alone will NOT provide adequate treatment for moderate to severe cases of ADHD nor ADD; unfortunately at this point, medication is the best and first line of effective treatment for ADHD. The consequences of NOT treating a child with mod/severe ADHD are much more damaging that any of the temporary side effects of stimulant medication. Medication should be combined with a whole food plant based diet, exercise, behavior modifications/parent and family training as needed and CBT work for the individual with ADHD/ADD.
        There is no cure for ADHD, but one of the most effective ways to “treat and manage” ADHD, in addition to what I mentioned above, is for the individual affected and her/his loved ones to learn as much as possible about ADHD to provide the best support possible. But please read from credible sources, as I’ve mentioned.
        If you or someone you know has issues with ADHD, I always advise a complete and thorough evaluation by a psychologist first to rule out any other mental health issues or learning disabilities that might be co-occurring; once you have a complete and accurate picture, then find a mental health professional (LPC, MSW, etc.) who works with ADHD for a complete and comprehensive treatment approach and plan of action.

  • Melody Nicole Harris

    I have attention issues and have been on an off of dexedrine for the last 15 years. This year I decided, no more. I have adapted a vegan diet, work hard to fit in an hour of exercise a day (different every day), and stopped smoking. I have never felt better and my ability to focus for long periods of time is steadily increasing. This is not coincidental. These drugs are worse than the diagnosis in my opinion. One thing that is consistent is the lies we are told with intent or without on how to best manage our health. This is because the bottom line ends in a dollar sign.

    • Thea

      Melody: Thank you for sharing your story! It’s so inspiring. Good for you for taking your health into your own hands. Diet is not a magic pill, but it sure seems like one sometimes!

      Keep up the great work. You have inspired me to try to get in a little more exercise myself. :-)

  • One Single Act

    Seeing how the brain runs exclusively on glucose (created from whole, unprocessed, fruits and vegetables) the answer to me for attention deficit disorders is pretty obvious, that person is under carbed. In this day and age of high protein, low carb diets, it’s a simple case of eating the wrong food for our design.

    • Γ214

      The brain can also use ketones in the absence of glucose.

  • Ashley S-S

    Hi Dr. Gregor. I actually have some questions regarding Ritalin use. I am thirty years old and I have suffered from ADHD. I have never used medication because I wanted to deal with it “naturally”, and I did so for much of my adult life. I had workedin very active job roles, and while I studied my first three years of college in my mid-twenties I biked to work and school everyday a total of 16 miles. I found that during that time I contolled my ADHD spectacularly. However, the last three years I have not had such a luxury of such intense exercise before and after school/work. I have found my ability to focus extremely diminished and I have trouble retaining information as well because of it. I have recently considered trying Ritalin, but I am scared because I do not take any medications and I am very health conscious. I am vegan and still physically fit. I rock climbing 5 days per week, but I am not doing so much Cardio as before. Would you recommend Ritalin when necessary? What are the negative side effects? Do you have any other advice?

    • Joseph Gonzales R.D.

      Hi Ashley. Thanks for reaching out I think you bring up important points. Another guest made a great post above yours as well. I think it is so personal it’s hard to say what medications to take. I would encourage a healthful diet and plenty of exercise you enjoy (the rock climbing sounds amazing)! Work with your doctors and find out if the meds are right for you and ask about the side effects. Know there is no shame in taking what works so yes when necessary I think medication can be very helpful. We need to weigh the benefits and risks of taking them and it varies for all of us. Hope that helps a bit. Best to you, Joseph

  • Guest

    I was diagnosed with this condition as a child, and struggled terribly,
    not only through school, but dozens of office desk jobs, later on. I’ve
    been off the pills, and eating a plant-based diet for over 13 years
    now, and have noticed that it does improve my condition. I’ve also
    noticed the same beneficial effects from exercise, and plenty of rest,
    as well as getting enough healthy social activity. Recently, I decided
    to take a more wholistic approach to life. And, because I spend most of
    my waking time at work, I decided that instead of (afterwards) figuring
    out how to make up for everything I was missing out on while I was at
    work, I would make those things a part of my work. I began a physically
    and intellectually demanding technology industry trade, which includes
    with the public, and a fair amount of creativity. Combine that with my
    simple diet, and I have all my bases covered during the day, so I have
    plenty of free time, and can relax, take it easy, and just enjoy my
    life. I also have more money, because I’m not spending it on pills,
    doctors, or at the gym. Now, I get to work out my entire being: mind,
    body, and spirit. For me, work is rarely ever difficult, and never has
    to feel stressful or convoluted. A positive attitude, like seeing
    challenges as opportunities for personal growth makes it easier to
    stay focused on my goals. Besides, I enjoy my life the way it is now,
    and definitely feel like what I get out of it is worth the sacrifice.
    Working and eating are both things which we all have to do, and so why
    not make them something which offers more benefits, and satisfies more
    than just one need? Food has to satisfy our hunger, but can it not also
    nourish, heal and protect our bodies? It doesn’t have to be about
    eating less, and working more. It’s simply about changing what we eat,
    and what we do.

    • Joseph Gonzales R.D.

      Well said. Thanks for sharing your helpful thoughts.

  • Camille

    I recently finished participating in the Alberta Healthy Living Program, and they list the risks of exercise that you have to consent to. Of course, the benefits outweigh the negatives, but I avoid exercise when having a severe allergic reaction. I know someone that clinically died playing volleyball after consuming traces of allergen. He was told the exercise made him react more than usual.

  • JackeRose

    I find that lifting weights (on a proper planned regimen) lasts 48 hours. The Slight soreness in arms has a very grounding effect and keeps me not only calmer but also not so much in my head.

  • Darla

    I have been on Adderall for several years. It does work for me, but I am concerned there are long term use damages or possible medical side affects that I am not aware of. I have had some anemia, and now have osteoporosis. Could Adderall cause these or others problems?

    • Ryan

      I am 32 years old and stopped taking Ritalin after college after about 10 years of prescription. Currently I have been struggling greatly with my ability to function in a work environment. Every person is different, but I have to wonder now: Was my brain permanently altered by the high levels of stimulant ingestion in my youth? My rough understanding is that Ritalin is mainly a dopamine (and norepinephrine) reuptake inhibitor, whereas Adderall functions more like cocaine in inhibiting dopamine reuptake (increasing availability) but also releasing more dopamine (and norepinephrine) in the first place.

      As I have gotten older I have become much more functional in many ways but far less in others. I have to admit that I have also had issues with drug use in the past (primarily cannabis, which I have finally forsaken). But I wonder whether the Ritalin caused a permanent reduction in my brain’s dopamine receptor sites. A few years back I found myself drinking 2 pots of coffee and smoking 1.5 packs of cigarettes per day to maintain a high level of functionality. (Yikes!!) Clearly, this was after initial doses of addictive stimulants stopped being sufficient to elicit the desired effect, such as is the case with ANY stimulant. I’ve since quit both and moved to mornings-only green tea.

      I strongly encourage you to read this opinion-editorial article published in the NY Times Magazine from a former Adderall user. This article gave me a powerful insight, perspective and deep understanding of the decisions I made in youth and later in life. Every person needs to make the best informed decision about her own medical care. I hope this addresses for you an aspect of stimulant medication that the medical community is generally remiss to mention.

      Also, I strongly empathize with the difficulties of ADHD life in the modern world. Please do not think that I wish to disparage your choice of medication. I just want to bring up long term considerations that are seemingly never publicly discussed.
      Also, I implore you and any other ADHD readers to NEVER use any drugs recreationally. (We have extremely high demographic rates of self-medication, in case other readers don’t understand the relevance of this point.) I have to suggest that this is totally imperative for successful long(er) term stimulant treatment as chemicals that act on the same systems will reduce the efficacy of your treatment much much faster than normal. Even so, you will almost certainly build up a tolerance to the stimulant over time and the psychiatrist will have to increase the dosage to maintain efficacy. Eventually, in the long term, you will not be able to take a larger dosage for medical safety reasons. I would also suggest that caution or abstinence be exercised with regard to caffeine and alcohol for the same reason. After many years of medication and self-medication, I have come to the personal conclusion that I should never monkey around with my neurotransmitter levels via exogenous compounds. That is, aside from respectful use of tea/caffeine.

      To your other concerns: To combat osteoporosis, USE your bones. Perform regular physical exercise and your bones will surely grow stronger. Do so regardless of your age. Just make sure to consume adequate calories and nutrition, use proper form during any high resistance exercises (crucial!), as well as pay attention to pain signals that may be indicative of injury. Muscles are supposed to ache when well exercised; this means they are growing and typically lasts 24-72 hours. Tendons, ligaments, nerves and other soft tissues should not ache, and require much more time to recover. Recovery periods for these tissues will typically be 1-6 weeks, during which you should abstain from exercises that involve the injured area. And of course, a serious injury (like hearing a “pop!” followed by excruciating pain) means you need to see a doctor. (Pay attention to your body.) Also, I am not a doctor, so “consult your doctor before beginning an exercise routine.” Or just get up and put in the work! Regular, consistent sessions is the key. Many programs (often TV advertised ones) are unrealistically intense and therefore people stop them right after starting. So, do something YOU find fun and feel safe doing. If you sit all the time your bones will deplete because your body says, “Well, I guess these things are just extra weight.” Healthier bones might even produce more blood cells.

    • Ryan

      In retrospect, it occurs to me that because of your osteoporosis condition it would be especially prudent for you to consult with your doctor regarding appropriate level of exercise. Be safe, but get stronger! :-)

  • Greg

    I couldn’t possibly agree with the title. A “treatment” that lasts 60-90 minutes is not a treatment at all.

    • A A

      You do have a point.