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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

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...

How Avoiding Chicken Could Prevent Bladder Infections

Michael Greger MD | January 28, 14 at 05:00 AM | Health

Read More: antibiotic resistance, antibiotics, bladder infection, Campylobacter, chicken, cooking, cross-contamination, E. coli, Escherichia coli, fecal bacteria, fecal contamination, gut flora, meat, pathogens, preparation, rectal bacteria, rectal flora, Salmonella, superbugs, urinary tract health, urinary tract infection, UTI, zoonoses, zoonotic diseases

                Where do bladder infections come from? Back in the ’70s, longitudinal studies of women over time showed that the movement of rectal bacteria into the vaginal area preceded the appearance of the...

Preventing Bacterial Vaginosis With Diet

Michael Greger MD | January 23, 14 at 05:00 AM | Health

Read More: bacterial vaginosis, beta carotene, biogenic amines, chicken, dairy, desserts, douching, fat, fishy odor, fruits, pH, phytonutrients, putrescine, reproductive health, saturated fat, vagina, vaginal health, vegetables, vitamin C, Whiff Test

                In the same way fermented pickles, kimchi, and sauerkraut foster the growth of good bacteria by maintaining an acidic environment, so does the human vagina. The normal pH of one’s vagina is...

Treating Migraines With Lavender

Michael Greger MD | January 21, 14 at 05:00 AM | Health

Read More: anesthetic, anxiety, aromatherapy, aspartame, headaches, Ibuprofen, Imitrex, lavender, lavender essential oil, mental health, mental illness, migraine headaches, migraines, mood, pain, pain management, parasites, pregnancy, saffron, Tylenol

                Lavender has been studied recently for several purposes, including treatment of mood and anxiety disorders (see, for example, the video I profiled in my last post, Lavender for Generalized Anxiety Disorder). Though...

Using Lavender to Treat Anxiety

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

Read More: anxiety, aromatherapy, Ativan, benzodiazepines, brain waves, downers, hormone-disruptors, hormones, lavender, lavender oil, lorazepam, massage, saffron, sedatives, side-effects

                Lavender oil, which is distilled from lavender flowers, is often used in aromatherapy and massage. Despite its popularity, only recently have scientific investigations been undertaken into its biological activity. While there have...

Top 10 Most Popular Videos of 2013

Michael Greger MD | January 9, 14 at 05:00 AM | Health

                  2013 was a banner year for NutritionFacts.org. Thanks to the collective enthusiasm for sharing this work from our subscribers, twitter followers, and 100,000 Facebook fans, we averaged more than a million...

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...