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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

How Probiotics Affect Mental Health

Michael Greger MD | January 7, 14 at 05:00 AM | Health

Read More: anger, anxiety, bacteria, bowel movements, colectomy, colon, constipation, depression, emotional health, enteric nervous system, enteric neuroscience, fecal transplant, fibromyalgia, gut dysfunction, gut flora, intestinal flora, intestinal putrefaction, lobotomy, mastectomy, mental health, mental illness, mood, plant-based diet, probiotics, psychiatric illness, Thorazine, vegan, vegetarian

                  Before Thorazine was invented in 1950, mental illness was often treated surgically. In fact, in 1949 the inventor of the lobotomy was awarded the Nobel Prize. Before tens of thousands were...

How Should I Take Probiotics?

Michael Greger MD | January 2, 14 at 05:00 AM | Health

Read More: apple juice, dosage, fat, health food stores, milk, natural food stores, oatmeal, pharmacists, prebiotics, probiotics, supplements, vitamin D, water

                Foods appear to be better carriers for probiotics than supplements, but if one chooses to go with the supplement route, should they be taken before, during, or after meals? The package labeling...

Probiotics During Cold Season?

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

Read More: allergies, antibiotics, asthma, babies, bloating, c-section, caesarean section, cancer, cold, common cold, diarrhea, fiber, fruit, gastroenteritis, gut flora, immune function, immune system, infants, infections, intestinal infections, lactic acid bacteria, prebiotics, probiotics, respiratory infections, soy, soy yogurt, supplements, vaginal delivery, vaginal flora, vegetables, white blood cells, yogurt

                Babies delivered via caesarean section appear to be at increased risk for various allergic diseases. The thought is that vaginal delivery leads to the first colonization of the baby’s gut with maternal...

Probiotics and Diarrhea

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

Read More: alternative medicine, antibiotics, diarrhea, fecal enema, fecal transplant, gastroenteritis, gut flora, infection, Lactobacillus rhamnosis, mold, probiotics, Saccharomyces boulardii

                Probiotics have slowly moved from the field of alternative medicine into the mainstream, particularly for the prevention of antibiotic-associated diarrhea and the treatment of gastroenteritis. After taking antibiotics, up to 40 percent...

Mushrooms and Immunity

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

Read More: allergies, amla, autoimmune diseases, breast glands, cancer, chronic inflammation, digestive tract, eyeballs, immune function, immune system, immunoglobulin A, Indian gooseberries, infection, inflammation, inflammatory diseases, mouth, mucosal immunity, mucous membrane, mushrooms, phytonutrients, pyrogallol, reproductive system, skin, type A antibodies, urinary system, white button mushrooms, white mushrooms

                There’re lots of products that promise to boost your immune system—who wouldn’t want that? Well, millions of people suffer from autoimmune diseases, inflammatory diseases, and allergies.  Their immune systems may already be...

Employment Opportunities at NutritionFacts.org

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

Read More: jobs

                Interested in dedicating yourself to advancing a lifesaving cause? Assuming we reach our end-of-year donation drive goals, I am hoping to bring on two full-time salaried staff for 2014. One position is...

Raspberries Reverse Precancerous Lesions

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

Read More: alcohol, black raspberries, cancer, esophageal cancer, freeze-dried, fruits, intraepithelial neoplasia, jam, marijuana, obesity, oral cancer, oral lesions, precancerous changes, precancerous growths, precancerous lesions, raspberries, smoking, strawberries, tobacco, vegetables

                More berried treasure! A story similar to the strawberries and esophageal cancer revelation I documented in Strawberries versus Esophageal Cancer has emerged with black raspberries and oral cancer. Oral cancer is one...

Strawberries Can Reverse Precancerous Progression

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

Read More: American Association for Cancer Research, antioxidants, berries, cancer, cancer progression, cancer reversal, cancer survival, combinatorial strategies, dietary intervention, esophageal cancer, esophagus, fat, free radicals, fruit, meat, metastases, phytonutrients, plant-based diet, precancerous lesions, precancerous progression, prostate cancer, strawberries, vegan, vegetarian

                In my last two posts, Which Fruit is Best at Fighting Cancer? and Anti-Cancer Nutrient Synergy in Cranberries I described what various common fruits could do to human cancer cells in a...

Anti-Cancer Nutrient Synergy in Cranberries

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

Read More: active ingredients, anthocyanin phytonutrients, antioxidants, blood sugar, brain cancer, breast cancer, cancer, cancer cell proliferation, cancer cells, cheap, colon cancer, cost-effective, cranberries, cranberry cocktail, cranberry juice, cranberry sauce, dried cranberries, fruit, high fructose corn syrup, liver cancer, nutrient absorption, oral cancer, ovarian cancer, phytochemicals, phytonutrients, pro-oxidants, prostate cancer, whole foods

                In research I profiled in my video Which Fruit Fights Cancer Better?, cranberries were found to suppress the growth of human liver cancer cells in vitro. Other studies have found similar effects...

Which Common Fruit Fights Cancer Better?

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

Read More: anthocyanins, antioxidants, apples, bananas, berries, cancer, cancer cell growth, cancer cell proliferation, cancer growth, cranberries, fruit, grapefruits, grapes, lemons, metastases, oranges, peaches, pears, phytonutrients, pineapples, strawberries, vegetables, vitamin C, wild bananas

                Recently, researchers compared the ability of eleven common fruits to suppress cancer cell growth in vitro. Which do you think was most effective--apples, bananas, cranberries, grapefruits, grapes, lemons, oranges, peaches, pears, pineapples,...

All of Dr. Greger's DVDs Now Downloadable

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

                  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...

Half of Doctors Give Placebos

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

Read More: dairy, deception, deception flow chart, doctors, false diagnosis, homeopathy, lactose, lactose intolerance, lies, lying, medicine, milk, physicians, placebos, prescription drugs

                  About half of doctors admit to intentionally deceiving patients by prescribing placebos, but might the ends justify the means? A controversial paper was published in the American Journal of Bioethics arguing...

Down But Not Out

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

                Nearly all of NutritionFacts.org videos are currently down. With your help, though, not only will we be back up and running again soon but stronger than ever! Yesterday, YouTube terminated our account...

Breast Cancer & Alcohol: How Much is Safe?

Michael Greger MD | November 28, 13 at 05:00 AM | Health

Read More: acetaldehyde, alcohol, alcohol metabolites, alcoholic beverages, antiseptic mouthwash, beer, breast cancer, breast disease, breast health, cancer, carcinogens, heart disease, heart disease prevention, light drinking, liquor, Listerine, mouthwash, red wine, Scope, white wine, wine, women's health, World Health Organization

                Nearly 5,000 breast cancer deaths a year may be attributable to just light drinking (up to one drink a day). The International Agency for Research on Cancer, the World Health Organization body...

Best Nutrition Bang for Your Buck

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

Read More: beans, beef, calorie dense, cheap, chicken, cost per calorie, cost per nutrition, cost per serving, cost per weight, dairy, empty calorie foods, fruits, grains, health food, healthy food, junk food, legumes, meat, milk, minerals, nutrient density, plant-based diet, saving money, thrifty, vegan, vegetables, vegetarian, vitamins, weight loss, weight management

When measured on a cost per serving, cost per weight, or cost per nutrition basis, fruits and vegetables beat out meat and junk food: Most Americans don't even meet the watered down Federal dietary recommendations. Some have suggested this...

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. So researchers recently set out to determine...

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, but once it really starts spreading our...

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 explain plant-based protection from heart disease. Earlier...

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 in my video Flax Seeds For Breast...

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 one's period, called cyclical mastalgia, was dismissed...