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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

Is Noni or Mangosteen Juice Safe?

Michael Greger MD | April 24, 14 at 05:00 AM | Health

Read More: aloe vera, beverages, cardiovascular disease, cardiovascular health, children, fruit, fruit juice, heart disease, heart health, hepatotoxins, Hydroxycut, industry influence, juice, liver disease, liver failure, liver health, mangosteen, Metabolife, mortality, natural toxins, noni, safety limits, seizures, side effects, stroke, supplements

                There is now another case report of acute toxicity linked to noni juice ingestion, this time in a 14 year old. At least his liver didn’t fail completely like in two of...

Should Carrageenan Be Avoided?

Michael Greger MD | April 22, 14 at 05:00 AM | Health

Read More: acrylamide, algae, bread, carrageenan, cheese, colon health, cooking temperature, dairy, EPA, Europe, fat, FDA, food additives, french fries, grains, infant formula, infants, inflammation, inflammatory bowel disease, Ireland, leaky gut theory, McDonald's, milk, potato chips, safety limits, yogurt

                Six hundred years ago, people living along the coast of Carragheen County Ireland started using a red algae, which came to be known as Irish moss, to make a jellied dessert. This...

Treating Menstrual Pain With Diet

Michael Greger MD | April 17, 14 at 05:00 AM | Health

Read More: bloating, energy, hormones, Ibuprofen, inflammation, medications, menstruation, pain, plant-based diets, premenstrual syndrome, side effects, sleep, surgery, uterine health, vegans, vegetarians, vitamin D, weight loss, women's health

                Almost half of menstruating women experience painful,crampy periods, also known as dysmenorrhea. According to Dr. Linda French from Michigan State University College of Medicine, "despite the substantial effect on quality of life...

Cayenne for Irritable Bowel

Michael Greger MD | April 15, 14 at 05:00 AM | Health

Read More: abdominal pain, bloating, Campylobacter, capsaicin, Cayenne pepper, chronic diseases, dyspepsia, E. coli, food poisoning, foodborne illness, indigestion, inflammation, irritable bowel kiwi fruit, medications, mortality, nausea, pain, peppers, Propulcid, Salmonella, side effects, spices, spicy food, stomach health, substance P, syndrome

                Nearly 50 million Americans come down with food poisoning every year. Over a hundred thousand are hospitalized and thousands die every year just because of something they ate. If they had ordered...

Natural Treatment for Cluster Headaches

Michael Greger MD | April 10, 14 at 05:00 AM | Health

Read More: alternative medicine, chili peppers, cluster headaches, complementary medicine, headaches, pain, peppers, suicide, surgery

                In a study "Secretion, Pain and Sneezing Induced by the Application of Capsaicin to the Nasal Mucosa in Man," researchers found that if we cut a hot pepper and rub it inside...

Dr. Greger's New Nutrition DVD Now Available

Michael Greger MD | April 8, 14 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 thriving). It can also be ordered as...

Foods With Natural Melatonin

Michael Greger MD | April 3, 14 at 05:00 AM | Health

Read More: aging, almonds, aspirin, bell peppers, berries, breast cancer, breast health, cancer, cherries, dried fruit, elderly, exercise, fenugreek, flax seeds, fruit, fruit juice, goji berries, hormones, Ibuprofen, inflammation, insomnia, juice, kiwi fruit, medications, Mediterranean diet, melatonin, muscle health, mustard seeds, nuts, phytonutrients, pineal gland, raspberries, seeds, serotonin, side effects, sleep, spices, sports drinks, tart cherries, tomatoes, walnuts

                We know that inadequate sleeping is associated with changes in diet—people tend to eat worse—but what about the opposite question: Can food affect sleep? In a study on kiwifruit, this seemed possible...

Two Kiwifruit an Hour Before Bedtime

Michael Greger MD | April 1, 14 at 05:00 AM | Health

Read More: aging, alternative medicine, antioxidants, cognition, complementary medicine, folate, fruit, immune function, industry influence, insomnia, kiwi fruit, lifespan, longevity, medications, memory, mortality, oxidative stress, pneumonia, serotonin, sleep, sleeping pills, tomatoes, Valium, vegetables

                The number one question in sleep research is “Why do we sleep?” followed by the question,“How much sleep do we need?” After literally hundreds of studies, we still don’t know the best...

Can We Fight the Blues With Greens?

Michael Greger MD | March 27, 14 at 05:00 AM | Health

Read More: alternative medicine, amphetamines, aneurism, animal products, apples, arachidonic acid, berries, brain disease, brain health, cheese effect, chicken, cinnamon, cloves, cocaine, complementary medicine, depression, dopamine, ecstacy, eggs, fruit, grapes, green tea, inflammation, kale, lung cancer, lung health, MAO Inhibitors, medications, mental health, mood, nutmeg, onions, oregano, phytonutrients, plant-based diets, Prozac, serotonin, side effects, smoking, spices, tobacco, vegans, vegetables, vegetarians

                Why does frequent consumption of vegetables appear to cut one’s odds of depression by more than half? And "frequent" was defined as eating vegetables not 3 or more times a day, but...

Starving Tumors of Their Blood Supply

Michael Greger MD | March 25, 14 at 05:00 AM | Health

Read More: aging, angiogenesis, antiangiogenesis, apigen, beans, berries, breast cancer, breast health, broccoli, cancer, cancer survival, celery, citrus, exercise, fisitin, flavonoids, fruit, luteolin, metastases, peppers, phytonutrients, plant-based diets, rice, spices, strawberries, tea, vegans, vegetarians, VEGF, weight loss, women's health

                About a third of common cancers may be prevented by eating a healthy, plant-based diet; being physically active; and maintaining a healthy weight. One of the ways plants may help is by...

Breast Cancer and Wine

Michael Greger MD | March 20, 14 at 05:00 AM | Health

Read More: alcohol, animal products, aromatase, breast cancer, breast cancer survival, breast feeding, breast health, cancer, colon cancer, dairy, endometrial cancer, EPIC Study, esophageal cancer, estrogen, fruit, fruit juice, grapes, Harvard Nurses' Health Study, kidney cancer, liver cancer, meat, mushrooms, oral cancer, plant-based diets, red wine, smoking, standard American diet, strawberries, United Kingdom, vegans, vegetables, vegetarians, weight loss, white wine, wine

                After diagnosis, women with breast cancer may cut their risk of dying nearly in half by just instituting simple, modest lifestyle changes—5 or more servings of fruits and veggies a day and...

When a Scraped Knee May Once Again Kill

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

Read More: agriculture, animal products, animal welfare, antibiotics, antimicrobial drugs, bacteria, beef, chicken, children, factory farming practices, farm animals, FDA, Food and Drug Administration, growth promoters, immune function, industry influence, meat, medications, mortality, penicillin, pork, poultry, superbugs, tetracycline, turkey, World Health Organization

                In a keynote address last year, the Director-General of the World Health Organization warned that we may be facing a future in which many of our miracle drugs no longer work. “A...

Why We Should Eat More Beans

Michael Greger MD | March 11, 14 at 05:00 AM | Health

Read More: beans, blood sugar, bread, carbohydrates, chickpeas, diabetes, fiber, garbanzo beans, gastric emptying, glycemic index, gut bacteria, gut flora, insulin, lentil effect, lentils, metabolic syndrome, pasta, peas, potatoes, pre-diabetes, propionate, rice, second meal effect, sugar

                We’ve known for decades that beans have an exceptionally low glycemic index. You give someone cooked beans, peas, or lentils and they don’t even get half the blood sugar spike that they...

Egg Industry Caught Making False Claims

Michael Greger MD | March 6, 14 at 05:00 AM | Health

Read More: American Egg Board, American Heart Association, animal products, arachidonic acid, cake, carcinogens, cardiovascular disease, cardiovascular health, cholesterol, dairy, dietary guidelines, eggs, false advertising, Federal Trade Commission, Freedom of Information Act, heart disease, heart health, industry influence, meat, milk, National Commission on Egg Nutrition, poultry, safety limits, Salmonella, smoking, steak, tobacco, turkey, USDA, vegetables

                On the basis of concerns from the American Heart Association and consumer groups, the Federal Trade Commission carried out successful legal action—upheld by the Supreme Court—to compel the egg industry to cease...

Male Fertility and Dietary Pollutants

Michael Greger MD | March 4, 14 at 05:00 AM | Health

Read More: anabolic steroids, animal fat, beef, cadium, cheese, chicken, cola, dairy, fish, heavy metal, hormones, industrial pollutants, infertility, lead, male infertility, meat, milk, pesticides, plant-based diet, saturated fat, scallops, shrimp, soda, soft drinks, sperm count, steroids, tuna, vegan, vegetarian, xenobiotics, xenoestrogens

                Infertility affects 10–15 percent of couples attempting to conceive, and in about half the cases the problem is in the man. A recent Harvard study found that increasing saturated fat intake just...

Trans Fat in Animal Fat

Michael Greger MD | February 27, 14 at 05:00 AM | Health

Read More: aggression, animal products, bologna, breast cancer, burgers, cardiovascular disease, cheese, chicken fat, cholesterol, coronary heart disease, dairy, diabetes, heart disease, heart health, hot dogs, hydrogenated fats, impatience, irritability, junk food, meat, milk, National Academies of Science, olive oil, plant-based diet, refined oil, stroke, sudden death, trans fat, turkey meat, vegan, vegetarian, yogurt

                Trans fats are bad. They may increase one’s risks of heart disease, sudden death, diabetes—and perhaps even aggression. Trans fat intake has been associated with overt aggressive behavior, impatience, and irritability. Trans fats...

Ginger & Lemon Balm for Radiation Exposure

Michael Greger MD | February 25, 14 at 05:00 AM | Health

Read More: children, DNA damage, free radicals, garlic, ginger, goji berries, lemon balm, lemon balm tea, mint leaves, Nuremburg, oxidative stress, Pentagon, phytonutrients, radiation, radioactive isotopes, The Cold War, The German Medical Association, The Holocaust, turmeric, X-rays, zingerone

                The German Medical Association has finally apologized for the profession’s role in the Nazi atrocities, 65 years after 20 physicians stood trial in Nuremberg. During the trial, the Nazi doctors argued that...

Dealing With Air Travel Radiation Exposure

Michael Greger MD | February 20, 14 at 05:00 AM | Health

Read More: air travel, antioxidants, B carotene, cancer, Chernobyl, cosmic rays, cryptoxanthin, dentists, DNA damage, doctors, eggs, fish, fruits, full-body scanners, iatrogenic harm, lutein, nuts, phytonutrients, radiation, seeds, synergistic effects, vegetables, vitamin C, X-rays, zeaxanthin

                Doctors appear to be causing tens of thousands of cancers with CT scans and dentists may be causing a few brain tumors with dental X-rays (see my two videos Cancer Risk from...

Are Dental X-Rays Safe?

Michael Greger MD | February 18, 14 at 05:00 AM | Health

Read More: American Dental Association, brain tumour, cancer, dental X-rays, dentists, doctors, iatrogenic harm, intracranial meningioma, meningioma, oral health, radiation, X-rays

                Every year, doctors cause an estimated 29,000 cancers a year dosing patients with X-rays during CAT scans. What about dentists? 100 million Americans are exposed to dental X-rays every year, but don’t...