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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

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...

How Risky are CT Scans?

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

Read More: angiograms, brain tumors, breast cancer, cancer, CAT scan, children, CT scan, heart disease, iatrogenic harm, leukemia, pediatrics, prescription drugs, radiation, thallium heart scans, X-ray computer tomography, X-rays

                The greatest radiation exposure risk comes not from the Fukushima fallout or the polonium naturally found in all seafood (see my last video, Fukushima and Radioactivity in Seafood), but from doctors. This...

Fukushima and Radioactivity in Seafood

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

Read More: angiograms, brain tumors, breast cancer, cancer, CAT scan, children, CT scan, heart disease, iatrogenic harm, leukemia, pediatrics, prescription drugs, radiation, thallium heart scans, X-ray computer tomography, X-rays

                With prevailing westerly winds over Japan, radioactive fallout from the Fukushima nuclear power plant tragedy was detected throughout North America at levels comparable to those seen 25 years earlier from Chernobyl, the...

Tea and Flouride Risk

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

Read More: antibiotics, barley coffee, cavities, children's health, coffee, cranberries, decaf, decaffeinated tea, dehydration, dental, dental disease, dental fluorosis, dental health, dental plaque, fluoride, fluoride toxicity, fluorosis, gastrointestinal health, green tea, H. Pylori, herbal tea, oral health, phytonutrients, plaque, stomach health, Streptococcus mutans, tea, teeth, ulcers, wine

                If cranberries are so good at keeping bacteria from sticking to the wall of the bladder (see my video Can Cranberry Juice Treat Bladder Infections?), what about keeping bacteria from sticking to...

Does Cranberry Juice Work Against Bladder Infections?

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

Read More: antibiotics, bacteria, bladder disease, bladder health, bladder infection, cranberries, cranberry juice, E. Coli, Escherichia coli, phytochemicals, phytonutrients, urinary tract infection, UTI, white cranberry juice

                How could any bacteria cause a bladder infection without just getting flushed away—literally? Bladder infections may make sense if we’re not drinking enough or if we leave behind a stagnant pool because...

Dr. Greger's New Nutrition DVD Now Available

Michael Greger MD | January 30, 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...