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Michael Greger MD

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Michael Greger, M.D., is a physician, author, and internationally recognized professional speaker on a number of important public health issues.

Blog Entries by Michael Greger MD

Industry Influence on Our Dietary Guidelines

Michael Greger MD | October 22, 13 at 05:00 AM | Health

Read More: beef, cancer, cholesterol, dairy, degenerative disease, diabetes, dietary guidelines, eggs, fat, fish, George McGovern, Harvard, hypertension, International Sugar Research Foundation, ischemic heart disease, lamb, meat, milk, National Livestock and Meat Board, plant-based diet, poultry, public health, public policy, salt, Salt Institute, saturated fat, sugar, The National Dairy Council, The Senate Committee on Nutrition and Human Needs, vegan, vegetarian

The story behind the first U.S. dietary guidelines explains why, to this day, the decades of science supporting a more plant-based diet have yet to fully translate into public policy. George McGovern, who died last year at age 90,...

Flax and Breast Cancer Survival

Michael Greger MD | October 17, 13 at 05:00 AM | Health

Read More: angiogenesis inhibitors, biopsy, breast cancer, breast cancer survival, c-erbB2, cancer, cell proliferation, chemotherapy, endostatin, flaxseeds, isoflavone phytoestrogen, lignans, longevity, metastases, microdialysis, mortality, phytonutrients, post-menopause, postmenopausal, prostate cancer, tamoxifen, tumors, women's health

A randomized, double-blind, placebo-controlled clinical trial of flaxseeds in breast cancer patients found that flaxseeds appear to have the potential to reduce tumor growth in just a matter of weeks. Scientists believe this is due to a class of...

Flax and Breast Cancer Prevention

Michael Greger MD | October 15, 13 at 05:00 AM | Health

Read More: antibiotics, atypical hyperplasia, berries, biopsy, breast cancer, cancer, carcinoma in situ, compound X, fecal flora, fiber, flax, flaxseeds, fruits, ground flax, gut bacteria, ki-67, lignans, nuts, phytonutrients, plant-based diet, precancerous, prevention, seeds, sesame seeds, urinary tract infection, UTI, vegan, vegetables, vegetarian, whole grains, women's health

Just a teaspoon of ground flaxseeds a day may help protect against breast cancer. In 1980 a new compound was discovered in human urine. Researchers called it "compound X." Originally it was thought to be a new human hormone,...

Treating Sensitive Skin From the Inside Out

Michael Greger MD | October 10, 13 at 05:00 AM | Health

Read More: burning, chafing, flax, flax seed powder, flaxseed oil, flaxseeds, inflammation, itching, omega 3, safflower oil, sensitive skin, skin barrier, skin disease, skin health, tingling

Instead of treating sensitive skin topically, with lotions and creams, why not treat it from the inside out with diet? About half of the American population says they have sensitive skin, defined loosely as tingling, chafing, burning, itching sensations...

Flaxseeds for Diabetes

Michael Greger MD | October 8, 13 at 05:00 AM | Health

Read More: A1C, antioxidants, blood sugar, cholesterol, diabetes, fasting blood sugars, flax, flax seed powder, flaxseeds, insulin, insulin resistance, oxidant stress, plant-based diet, sexual dysfunction, supplements, triglycerides, vegan, vegetarian, weight gain, weight loss, World Health Organization

Drug companies hope to capitalize on the fact that the consumption of certain plants appears to lower the risk of diabetes by isolating these plants' active components for use and sale as pharmacological agents. Though not as profitable, why...

Flaxseeds for Prostate Cancer

Michael Greger MD | October 3, 13 at 05:00 AM | Health

Read More: African Americans, alcohol, animal fat, animal protein, biopsy, breast cancer, cancer, Chinese, cholesterol, ductal carcinoma, ethnicity, exercise, fat, fat-restricted diet, flax, flaxseeds, fruit, isoflavones, Japanese, lignans, low fat diet, phytoestrogen, PIN, plan-based diet, prostate cancer, prostate disease, prostate gland enlargement, prostate health, prostate-specific antigen, prostatic intraepithelial neoplasia, PSA, tumors, vegan, vegetables, vegetarian

Why is there such a huge disparity in prostate cancer rates around the world? The incidence of malignant prostate cancer is highest in African Americans, some 30 times greater than in Japanese men, and 120 times greater than in...

Why Is Selling Salmonella-Tainted Chicken Legal?

Michael Greger MD | October 1, 13 at 05:00 AM | Health

Read More: adulterant, adulterated, American Public Health Association, bacteria, beef, cheese, chicken, contamination, dairy, E. coli, eggs, fecal contamination, fish, food poisoning, foodborne pathogens, maggots, meat, milk, pathogens, poultry, public health, salmonella, U.S. Food and Drug Association, viruses, yogurt

When researchers last year at the Emerging Pathogens Institute ranked foodborne pathogens to figure out which was the worst, Salmonella was number one on their list. Salmonella was ranked the food poisoning bacteria with the greatest public health burden...

Dr. Greger's New DVD Available For Download

Michael Greger MD | September 26, 13 at 05:00 AM | Health

Read More: DVD

The newest volume of my Latest in Clinical Nutrition DVD series is now out. Order on my website or through Amazon (all proceeds go to the 501c3 nonprofit charity that keeps NutritionFacts.org up and running). It can also now...

Raisins vs. Energy Gels for Athletic Performance

Michael Greger MD | September 24, 13 at 05:00 AM | Health

Read More: antioxidants, athletes, athletics, carbohydrate oxidation, dried fruit, energy bars, energy chews, energy expenditure, energy gels, energy shots, fat oxidation, glycogen, jelly beans, natural supplements, raisins, respiratory exchange, sports, sports drinks, sports gels, sports supplements, supplements

After about an hour of strenuous exercise, long-distance athletes can really start to deplete their glycogen stores, the body’s source of quick energy. Studies dating back to the ’30s found that by hooking athletes on a treadmill up to...

The Best Nutrition Bar

Michael Greger MD | September 19, 13 at 05:00 AM | Health

Read More: abdominal obesity, almond butter, caloric density, cholesterol, dried apples, dried fruit, figs, fruit, nut bar, nut butter, nutrition bar, nuts, obesity, peanut butter, satiety, weight gain, weight loss

There are a variety of healthier fruit and nut bars on the market now that boast dried fruit as a primary ingredient. Dried fruit is calorically dense, though. Should we be concerned that eating such bars may make us...

Best Treatment for Constipation

Michael Greger MD | September 17, 13 at 05:00 AM | Health

Read More: bowel movements, bowel regularity, Bristol stool scale, California Prune Board, constipation, dried plums, finer supplements, home remedies, International Prune Association, laxatives, Metamucil, natural remedies, over-the-counter drugs, plant-based diet, plums, prunes, U.S. Food and Drug Administration, vegan, vegetarian

Constipation is a common problem that affects up to 20 percent of the world's population. Nearly 60 million Americans suffer from chronic constipation, which is particularly a problem in women and the elderly. It is a pathological condition that...

Best Dried Fruit For Cholesterol

Michael Greger MD | September 12, 13 at 05:00 AM | Health

Read More: apples, asthma, bile, blood sugar, c-reactive proteins, cholesterol, constipation, dates, digestion, dried fruit, figs, fruit, glycemic index, heart health, inflammation, LDL, minerals, pectin, plums, prunes, skin, sulfur dioxide, triglyceride levels, vitamins, women's health

When I saw there was a paper entitled "Daily Dried Apples Versus Daily Dried Plums: Impact on Cardiovascular Disease Risk Factors in Postmenopausal Women," the first thing I thought was well, was the study funded by the U.S. Apple...

Eggs vs. Cigarettes in Atherosclerosis

Michael Greger MD | September 10, 13 at 05:00 AM | Health

Read More: apples, asthma, bile, blood sugar, c-reactive proteins, cholesterol, constipation, dates, digestion, dried fruit, figs, fruit, glycemic index, heart health, inflammation, LDL, minerals, pectin, plums, prunes, skin, sulfur dioxide, triglyceride levels, vitamins, women's health

A study in the journal Atherosclerosis found that eating just 3 eggs or more a week was associated with a significant increase in artery-clogging plaque buildup in people's carotid arteries going to their brain, a strong predictor of stroke,...

Latest Science on Rooibos & Nettle Tea

Michael Greger MD | September 5, 13 at 05:00 AM | Health

Read More: calcium, chamomile tea, copper, estrogen, green tea, hibiscus, iron, magnesium, minerals, mint tea, nettle tea, phytonutrients, prostate enlargement, red tea, rooibos, sage, St. John's Wort, steroid hormones, steroids, zinc

Rooibos, or red tea, is anecdotally reported to aid stress-related symptoms, but it has none of the mood-altering phytonutrients thought responsible for the increased calm and decreased stress after drinking green tea (see Dietary Brain Wave Alteration). So why...

Hibiscus Tea: The Best Beverage?

Michael Greger MD | September 3, 13 at 05:00 AM | Health

Read More: amla, antioxidants, berries, chamomile, dementia, depression, erythritol, flor de Jamaica, flowers, goji, green tea, herbal, hibiscus, matcha, mint, oxidant stress, phytonutrients, plant-based diet, PMS, rose bush, roselle, saffron crocus, sorrel, stress, tea, vegan, vegetarian, zinger tea

A landmark investigation of the Antioxidant Content of 3,139 Foods put all previous rankings to shame. That's where I got the data to create my videos Best Berries, which compares hundreds of berries to common fruits, and Better Than...

Treating Parkinson's Disease With Diet

Michael Greger MD | August 30, 13 at 05:00 AM | Health

Read More: animal protein, beef, berries, bioaccumulation, brown rice, caffeine, cancer, cheese, chicken, cholesterol, coffee, dairy, dopamine, fisetin, fish, Istradefylline, L-dopa, levodopa, meat, milk, N-hexacosanol, Parkinson's, phytonutrients, plant-based diet, pollutants, Preladenant, protein redistribution diet, serotonin, strawberries, vegan, vegetarian, whole wheat, yogurt

Caffeine consumption appears to help prevent Parkinson's, but what if you already have the condition? A recent study found that giving folks the equivalent of about two cups of coffee a day worth of caffeine significantly improved symptoms of...

Avoiding Dairy to Prevent Parkinson's

Michael Greger MD | August 27, 13 at 05:00 AM | Health

Read More: brain damage, cheese, chemicals, concussions, dairy, exercise, head damage, hormones, industrial carcinogens, industrial pollutants, milk, Monsanto, neurotoxic chemicals, Parkinson's, PCBs, pesticides, plant-based diet, pollutants, Polychlorinated biphenyl, Tetrahydroisoquinoline, vegan, vegetarian, yogurt

There are four things that may reduce our risk of developing Parkinson's disease: increase exercise, and avoid dairy products, pesticides, and head trauma (please wear your seatbelt and bike helmet!). What about avoiding pesticides and other industrial pollutants? A...

NutritionFacts.org Video Hits a Million Views

Michael Greger MD | August 22, 13 at 05:00 AM | Health

I'm so excited to share that my newest live presentation, More Than an Apple a Day: Preventing Our Most Common Diseases, has reached over a million views on YouTube, breaking my previous record of 800,000 for last year's Uprooting...

The Science on Acai Berries

Michael Greger MD | August 20, 13 at 05:00 AM | Health

Read More: açaí berries, acai berries, acai berry powder, and metabolic parameters, antioxidant content, antioxidants, arthritis, cancer, cholesterol, immune cell function, immune function, immune system, Indian gooseberries, insulin, metabolic parameters, metabolism, Natural Standards Research Collaboration, NSRC, obesity, osteoarthritis, pain, phytonutrients, plant-based diet, pomegranate, pomegranate juice, rose hips, superfood, supplements, vegan, vegetarian, World Health Organization

An independent review of the effects of açaí berries was recently published, which included studies on immune function, arthritis, and metabolic parameters. The "Evidence-Based Systematic Review of Acai" was issued by the Natural Standards Research Collaboration (NSRC), an impartial...

Why are Children Starting Puberty Earlier?

Michael Greger MD | August 15, 13 at 05:00 AM | Health

Read More: animal protein, beef, cancer, cheese, chicken, children, dairy, diet, early onset puberty, emphysema, endocrine disrupting chemicals, fish, IGF-1, insulin-like growth factor 1, kids, meat, menstruation, obesity, plant-based diet, premature puberty, puberty, vegan, vegetarian, yogurt

Early onset of puberty is considered a risk factor for a number of diseases in adulthood, including hormone-related cancers, a shorter lifespan, metabolic syndrome, and cardiovascular disease. The conventional thinking has been that the age of puberty has been...