How Much Exercise Does It Take to Boost Immunity?
Exercising may make our immune systems more than five times better at fighting infection.
Topic summary contributed by volunteer(s): Emily
While total meat consumption, particularly hot dogs and other processed meat, poultry, and fish, seems to be related to the risk of developing different blood cancers, merely handling meat may also contribute to the risk. Pesticides seem to increase the risk of leukemia; however, choosing to buy organic can potentially mediate this risk. Pediatric CAT scans are also of concern with regards to childhood leukemia.
On the other hand, plants may have a beneficial effect as vegetarians may have only a quarter of the risk of developing blood cancers compared to omnivores. Broccoli, acai berries, sweet potatoes, phytates (found naturally in whole plant foods), curcumin (the yellow pigment in the spice turmeric), periwinkle-based drugs and coffee all seem to have protective effects against leukemia. Breastfeeding may also reduce the risk of childhood leukemia.
For substantiation of any statements of fact from the peer-reviewed medical literature, please see the associated videos below.
Exercising may make our immune systems more than five times better at fighting infection.
Is the higher rate of bladder cancer among hairdressers due to exposure to hair dyes? And what about at-home use of hair colorants?
The risk of contracting the brain parasite toxoplasma from kitty litter vs. meat.
Do calcium citrate and calcium carbonate have as much lead as calcium supplements derived from dolomite and animal bone?
Açaí berries are touted for their antioxidant power, but does that translate into increased antioxidant capacity of your bloodstream when you eat them?
How should we parse the conflicting human data on intake of aspartame (Nutrasweet) and non-Hodgkin’s lymphoma, multiple myeloma, leukemia, and pancreatic cancer?
Should the active ingredient in aspirin be considered an essential vitamin?
As many as 37 percent of human breast cancer cases may be attributable to exposure to bovine leukemia virus.
The majority of U.S. dairy herds are infected with a cancer-causing virus, but until recently, human testing for exposure was not sufficiently sensitive.
Curcumin-free turmeric, from which the so-called active ingredient has been removed, may be as effective or even more potent.
The reason eating citrus fruits appears to protect against cancer may be because of DNA repair enzyme-boosting powers of a compound concentrated in the peel.
Immunocompromised patients, such as those undergoing chemotherapy, are often denied fresh fruits and vegetables to ostensibly protect them against foodborne illness.
Which plant and animal foods are associated with the development of multiple myeloma, and what effect might the spice turmeric have on the progression of monoclonal gammopathy of undetermined significance?
Organic food consumption appears to reduce exposure to pesticide residues and antibiotic-resistant bacteria.
Sweet potatoes are not just one of the healthiest and cheapest sources of nutrition; the predominant protein is a type of protease inhibitor that may have cancer-fighting properties.
Unlike most other anticancer agents, the phytates naturally found in whole plant foods may trigger cancer cell differentiation, causing them to revert back to behaving more like normal cells.
A plant-based diet may not only be the safest treatment for multiple sclerosis; it may also be the most effective.
Methionine restriction—best achieved through a plant-based diet—may prove to have a major impact on patients with cancer because, unlike normal tissues, many human tumors require the amino acid methionine to grow.
A higher rate of cancer deaths among those that handle and process meat is attributed to infection with viruses, and chronic exposure to animal proteins.
Dr. Greger has scoured the world’s scholarly literature on clinical nutrition, and developed this brand-new live presentation on the latest in cutting-edge research on how a healthy diet can affect some of our most common medical conditions.
Pediatric CAT scans are estimated to cause hundreds of cancer deaths every year.
An independent review of the effects of açaí berries was recently published, including studies on immune function, arthritis, and metabolic parameters.
Exclusive breastfeeding for a full six months may, ironically, improve our children’s taste for vegetables—whereas children fed formula grow up with increased rates of inflammatory diseases such as asthma, cancer, and diabetes.
Death in America is largely a foodborne illness. Focusing on studies published just over the last year in peer-reviewed scientific medical journals, Dr. Greger offers practical advice on how best to feed ourselves and our families to prevent, treat, and even reverse many of the top 15 killers in the United States.
The largest study to date on poultry workers found a significantly increased risk of dying from penile cancer, thought to be due to exposure to oncogenic (cancer-causing) chicken viruses, which raise consumer concerns as well.
The association between poultry and cancer may be explained by the presence in chickens’ and turkeys’ flesh of industrial carcinogens such as dioxins, oncogenic (cancer-causing) viruses, and/or the drugs that were fed to the birds.
In a study of a half million people, which was most associated with the risk of developing lymphoma? Red meat, processed meat, poultry, offal, eggs, or milk?
Coffee consumption is associated with a modest reduction of total cancer incidence.
The anti-proliferative effects of cruciferous vegetable phytonutrients may decrease the metastatic potential of lung cancer, the number one cancer killer of women.
Phytonutrients, such as vitamin C, prevent the formation of nitrosamines from nitrites—which explains why adding nitrite preservatives to processed meat can be harmful, but adding more vegetables, with their nitrite-forming nitrates, to our diet can be helpful.
The nitrite preservatives in processed meats such as bologna, bacon, ham, and hot dogs form carcinogenic nitrosamines, but also reduce the growth of botulism bacteria—forcing regulators to strike a balance between consumers risking cancer, or a deadly form of food poisoning.
Nitrites in processed meat form nitrosamines, a class of potent carcinogens found in cigarette smoke, which may explain why hot dog consumption has been associated with the two leading pediatric cancers, brain tumors and childhood leukemia.
Many of the most powerful drugs in modern medicine’s arsenal came from natural products, from penicillin to the chemotherapy agents Taxol® and vincristine.