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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

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...

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...

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...

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...

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...

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, heart attack, and death.  If...

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...

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...

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...

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...

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...

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...

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...

Should We Avoid Titanium Dioxide?

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

Read More: animal products, animal protein, antibiotics, arachidonic acid, bacteria, beef, carbon monoxide, chewing gums, chicken, Crohn's disease, endotoxin, estrogen, fish, heterocyclic amines, inflammatory bowel disease, intenstinal flora, intestinal inflammation, marshmallows, meat, microparticles, nanoparticles, plant-based diet, powdered sugar, processed meat, titanium dioxide, toxins, ulcerative colitis, vegan, vegetarian

                  Two potential risk factors that may increases the risk of inflammatory bowel diseases (such as ulcerative colitis and Crohn’s disease) are animal protein and nanoparticles such as titanium dioxide. Of all dietary...

Which Pets Improve Children's Health?

Michael Greger MD | August 6, 13 at 05:00 AM | Health

Read More: blood pressure, cancer, cats, children, children's health, dogs, ear infections, foodborne pathogens, foodborne rabies, gastroenteritis, infectious diseases, lymphoma, pets, rabies, respiratory illnesses, respiratory infections

                To my surprise, studies of the effects of pets on human health and well-being have actually produced a mishmash of conflicting results. For example, some studies show pets lower your blood pressure—in...

Vitamin D from Mushrooms, Sun, or Supplements?

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

Read More: bioavailability, Institute of Medicine, mushrooms, sun, vitamin D, vitamin D2, vitamin D3, vitamin deficiency, vitamin recommendations, vitamin requirements, wool

                Years ago, it was shown that vitamin D isn’t just the sunshine vitamin for us, but for mushrooms as well. You take some mushrooms, put them under a sun lamp for an...

Is Coconut Oil Good For You?

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

Read More: Alzheimer's, Alzheimer's Association, atherosclerosis, bad cholesterol, clinical nutrition, clogged artereris, coconut oil, heart disease, LDL, medical community, medical school, saffron, saturated fat, stearic acid

                Some who profit from coconut oil claim it has miraculous powers, curing everything from cancer to jock itch. The boldest claim may be that it is a potential cure for Alzheimer’s, based...