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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

Schoolchildren Should Drink More Water

Michael Greger MD | November 21, 13 at 05:00 AM | Health

Read More: amino acids, cardiovascular function, cellular dehydration, children, children's health, cognitive performance, dehydration, gastrointestinal function, hormonal function, hydration, immune function, juice, memory, mental health, milk, muscle function, neurological function, scholastic performance, skeletal function, sodium, sugar, tea, water, weight loss, weight management, youth

                Most children arrive at school in a state of mild dehydration that may negatively affect scholastic performance. Preventing cellular dehydration is integral to hormonal, immune, neurological, cardiovascular, gastrointestinal, muscle and skeletal function....

Why Are Eggs Linked to Cancer Progression?

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

Read More: American Egg Board, beef, cancer progression, carcinogens, carnitine, chicken, choline, cooked meat, early detection, Egg Nutrition Center, eggs, heart attack, heterocyclic amines, inflammation, meat, men's health, metastases, mortality, plant-based, poultry, prostate cancer, prostate disease, prostate health, steak, stroke, TMAO, turkey, vegan, vegetarian

                About two million men in the U.S. are living with prostate cancer, but that’s better than dying from prostate cancer. Catch it when it’s localized and our 5-year survival is practically guaranteed,...

Avoid Carnitine and Lethicin Supplements

Michael Greger MD | November 14, 13 at 05:00 AM | Health

Read More: atherosclerosis, beans, beef, carnitine, carnitine palmitoyl transferase, chicken, cholesterol, choline, dairy, death, dietary cholesterol, eggs, energy drinks, fish, foam cells, fruit, grains, gut bacteria, gut flota, heart attack, heart disease, inflammatory cells, lethicin, meat, metabolism, milk, mortality, plant-based diet, plaque, pork, poultry, red meat, saturated fat, stroke, TMAO, trimethylamine-n-oxide, vegan, vegetables, vegetarian, weight loss

                A landmark study in the New England Journal of Medicine shows that choline in eggs, poultry, dairy and fish produces the same toxic TMAO as carnitine in red meat, which may help...

Treating Breast Pain with Flax Seeds

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

Read More: anovulatory cycles, breast lumpiness, breast pain, breast swelling, caffeine, cyclical mastalgia, flax seeds, ground flax, hormonal changes, hormone therapy, hormone treatment, menstruation, nutrition education, ovarian function, period, plant-based diet, premenstrual symptoms, premenstrual syndrome, vegan, vegetarian, vitamin E

                A tablespoon a day of ground flax seeds appears to improve ovarian function and is considered a first-line therapy for breast pain associated with one’s period (cyclical mastalgia). A study I profile...

Treating Breast Pain With Diet

Michael Greger MD | November 7, 13 at 05:00 AM | Health

Read More: anovulatory, Asia, Asian women, bloating, bread, breast pain, breast sensitivity, breast tenderness, butter, cramping, cyclical mastalgia, eggs, fat, hormone therapy, hormones, low-fat diet, mastectomy, meat, menstrual pain, menstrual symptoms, menstruation, milk, Nathan Pritikin, period, plant-based diet, PMS, premenstrual syndrome, prolactin, sugar, surgery, vegan, vegetarian, Western diet, women's health

                As I explore in my video Plant-Based Diets For Breast Pain, eating healthy appears to offer relief from a variety of menstrual symptoms, including cramping, bloating, and breast pain. Breast pain accompanying...

Tarragon Toxicity?

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

Read More: alcoholic beverages, anise seed, avocado, canned fish, carcinogens, chervil, comet tail test, Consumer Protection Scientific Committee on Food, DNA damage, fats, fennel, flavoring, mutagens, oils, spices, tarragon, The European Union's Health, toxins, whole foods

                Decades ago, concern was raised about some of the components of the herb tarragon. The European Union’s Health & Consumer Protection Scientific Committee on Food concluded that one of the constituents may...

Nutmeg Toxicity

Michael Greger MD | October 31, 13 at 05:00 AM | Health

Read More: abortifacient, amphetamine, Christmas, holidays, margin of safety, mood elevating compounds, mortality, nutmeg, nutmeg intoxication, psychopharmacological effects, psychotropic drugs, toxins

                The spice nutmeg appears to have a relatively narrow margin of safety. In my research on cinnamon I ran across a peculiar paper entitled “Christmas Gingerbread and Christmas Cheer: Review of the...

Cinnamon for Diabetes

Michael Greger MD | October 29, 13 at 05:00 AM | Health

Read More: antioxidants, blood sugar, cassia cinnamon, Ceylon cinnamon, children's health, Chinese cinnamon, cinnamon, coumarin, diabetes, Glucophage, glucose tolerance, Indian gooseberries, liver, liver disease, liver health, metformin, nutmeg, oxalates, plant-based diet, toxins, vegan, vegetarian, youth health

                The use of cinnamon to help treat diabetes remains controversial. We know that cinnamon is so good at controlling one’s blood sugar that you can cheat on a diabetes test by consuming...

Diet and Cellulite

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

Read More: abdominal fat, adiponectin, belly fat, biogenic amines, bologna, cellulite, cheese, cholesterol, colorectal polyps, fat storage, ground meat, gynoid lipodystrophy, ham, healthy weight, meat, nutrient-dense, pease, plant-based diet, polyamine, salami, spermidine, spermine, subcutaneous fat, turkey, vegan, vegetarian, waistline, weight loss, weight management

                Two theories about the build-up of subcutaneous fat, involving the chemical spermine and the hormone adiponectin, suggest a plant-based diet may help with cellulite. Gynoid lipodystrophy, known colloquially as cellulite, is the...

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,...

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...

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...

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...

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...

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...