All Videos for Hormones

Are Microplastics in Seafood a Cancer Risk?

Plastic particles may exacerbate the pollutant contamination of fish.



Microplastic Contamination and Seafood Safety

Can ingested plastic particles from fish get into our bloodstream?



Does Tea Tree Oil Have Hormonal Side Effects?

Do the estrogenic effects of tea tree oil get absorbed through the skin?



Is Organic Meat Less Carcinogenic?

Researchers tested 76 samples of different kinds of organic and conventional meats for 33 different carcinogens.



Viagra and Cancer

What is the role of erectile dysfunction drugs like Cialis and Levitra in the promotion and progression of prostate cancer and melanoma?



Heavy Metal Urine Testing and Chelation for Autism

Is testing for body burden of heavy metals like mercury with “urine mobilization tests,” “challenge tests,” and “provoked urine tests” just a scam?



Can Alcohol Cause Cancer?

If even light drinking can cause cancer, why don’t doctors warn their patients about it?



Is Aloe Effective for Blood Pressure, Inflammatory Bowel, Wound Healing, and Burns?

I discuss the risks and benefits of aloe vera.



How to Convert Into an Equol Producer

Certain gut bacteria can supercharge the benefits of soy foods, resulting in even more bone protection, better control of menopausal symptoms, and lower prostate cancer risk, but how can we foster the growth of these good bacteria?



Soy Phytoestrogens for Menopause Hot Flashes

Does soy food consumption explain why Japanese women appear to be so protected from hot flash symptoms?



Dietary Cure for Hidradenitis Suppurativa

What is the role of dairy- and yeast-exclusion diets on arresting and reversing an inflammatory autoimmune disease?



How to Block Breast Cancer’s Estrogen-Producing Enzymes

What happens to hormone levels in women and men randomized to drink soy milk?



Are the BPA-Free Alternatives Safe?

Do BPA-free plastics, such as Tritan, have human hormone-disrupting effects? And what about BPS and BPF?



Do Men Who Have More Sex Live Longer?

When done right, love may protect your lover’s life.



Benefits of Rosemary for Brain Function

A half teaspoon of dried rosemary can improve cognitive function.



How to Become a Fecal Transplant Super Donor

What’s more important: probiotics or prebiotics? And where can we best get them?



Does Aspartame Cause Cancer?

How should we parse the conflicting human data on intake of aspartame (Nutrasweet) and non-Hodgkin’s lymphoma, multiple myeloma, leukemia, and pancreatic cancer?



Best Foods for Polycystic Ovary Syndrome (PCOS)

Which foods and cooking methods should we choose and avoid, given the role advanced glycation end products (glycotoxins) may play in polycystic ovary syndrome (PCOS)?



Benefits of Marjoram for Polycystic Ovary Syndrome (PCOS)

Even a small amount of fresh herbs can double or even quadruple the antioxidant power of a meal. The abilities of oregano to decrease chromosomal damage from radiation and marjoram to affect hormone levels in women with PCOS are put to the test.



Is Soy Healthy for Breast Cancer Survivors?

What role do soy phytoestrogens play in the prevention and treatment of breast cancer?



Is Obesity Infectious?

Given the role our gut bacteria can play in affecting our weight, having family and friends who are obese may not just be socially contagious, but actually contagious.



The Effect of Animal Protein on Stress Hormones, Testosterone, and Pregnancy

What happened to women who were randomized to eat more meat and dairy during pregnancy? What effect does animal protein consumption have on cortisol and testosterone levels in men?



Why BPA Hasn’t Been Banned

If the synthetic estrogen BPA is linked to billions of dollars’ worth of medical problems a year, why is it still allowed in the food supply?



Animal Protein, Pregnancy, and Childhood Obesity

What pregnant women eat may affect even the health of their grandchildren.



What Is the Healthiest Diet?

What is the baggage that comes along with the nutrients in your food?



Do Vitamin D Supplements Reduce the Risk of Dying from Cancer?

Sun exposure is associated with lower rates of 15 different cancers and improved cancer survival. What happened when vitamin D supplements were put to the test?



How Did Doctors Not Know About the Risks of Hormone Therapy?

Women were placed in harm’s way by their physicians, who acted as unsuspecting patsies for the drug companies.



Pomegranate vs. Placebo for Prostate Cancer

Pomegranate juice for prostate cancer was finally put to the test in a randomized, controlled, clinical trial.



Maternal Diet May Affect Stress Responses in Children

Single meals can affect testosterone and cortisol (stress hormone) levels. Some foods eaten regularly during pregnancy may even reprogram children’s responses to stress later in life.



What Are the Effects of the Hops Phytoestrogen in Beer?

When it comes to breast cancer risk, does the phytoestrogen in beer act more like the animal estrogens in Premarin or the protective phytoestrogens in soy?



Zeranol Use in Meat and Breast Cancer

Anabolic growth-promoting drugs in meat production are by far the most potent hormones found in the food supply.



What Diet Best Lowers Phthalate Exposure?

The highest levels of phthalates, hormone-disrupting plastics chemical pollutants, are found in meats, fats, and dairy.



The Optimal Dose of Vitamin D Based on Natural Levels

Why do some recommend thousands of units of supplemental vitamin D when the Institute of Medicine set the recommended daily intake at just 600 to 800 units?



Do Vitamin D Supplements Help with Diabetes, Weight Loss, and Blood Pressure?

Those with higher vitamin D levels tend to have lower rates of obesity, diabetes, and hypertension, but is it cause and effect? Interventional trials finally put vitamin D to the test.



Avoiding Adult Exposure to Phthalates

Eating a plant-based diet and avoiding scented personal care products and certain children’s and adult toys can reduce exposure to hormone-disrupting chemicals.



Fennel Seeds to Improve Athletic Performance

What are the pros and cons of fennel fruits as a cheap, easy-to-find, light-weight, nonperishable source of nitrates?



Antibacterial Toothpaste: Harmful, Helpful, or Harmless?

Is triclosan in Colgate Total toothpaste safe in regards to the nitrate-reducing bacteria on our tongue and potential endocrine-disrupting effects on thyroid function and obesity?



Food as Medicine: Preventing and Treating the Most Dreaded Diseases with Diet

Dr. Greger has scoured the world’s scholarly literature on clinical nutrition and developed this new presentation based on the latest in cutting edge research exploring the role diet may play in preventing, arresting, and even reversing some of our most feared causes of death and disability.



Dietary Pollutants May Affect Testosterone Levels

Endocrine-disrupting industrial toxins in the aquatic food chain may affect genital development of boys and sexual function in men.



Formula for Childhood Obesity

Feeding infants cow’s milk formula may adversely alter metabolic programming.