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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

Viral Food Poisoning from Pesticides?

Michael Greger MD | March 5, 15 at 05:00 AM | Health

Read More: animal products, chicken, fecal bacteria, fecal contamination, food poisoning, foodborne illness, fruit, mortality, norovirus, organic foods, pesticides, poultry, Salmonella, turkey, vegetables, viral infections

Although the most serious causes of food poisoning like Salmonella come largely from animal products (for example, most foodborne-related deaths have been attributed to poultry), millions of Americans are sickened by produce every year, thanks to noroviruses. Noroviruses can...

The Reversal on Fish Oil

Michael Greger MD | March 3, 15 at 05:00 AM | Health

Read More: American Heart Association, cardiovascular disease, cardiovascular health, DHA, fat, fish, fish oil, heart disease, heart health, industry influence, lifespan, medical profession, men's health, mortality, nutrition myths, oils, omega-3 fatty acids, seafood, stroke, supplements

Are the purported benefits of fish oil supplementation for the prevention and treatment of heart disease just a "fish tale"? Thanks to recommendations from organizations such as the American Heart Association that individuals at high risk for heart disease...

Are Multivitamins Just a Waste of Money?

Michael Greger MD | February 26, 15 at 05:00 AM | Health

Read More: cancer, cancer survival, cardiovascular disease, cardiovascular health, cost savings, fruit, Harvard Physicians' Study II, heart disease, heart health, Iowa Women's Health Study, lifespan, longevity, mortality, multivitamins, stroke, supplements, vegetables, women's health

About one in three Americans take a multivitamin. Is that helpful, harmful, or just a harmless waste of money? In 2011, the Iowa Women's Health Study reported that multivitamin use was associated with a higher risk of total mortality,...

Understanding Lifestyle Medicine From the Heart

Michael Greger MD | February 24, 15 at 05:00 AM | Health

Read More: amputations, blindness, cancer, cardiovascular disease, cardiovascular health, chronic diseases, diabetes, Dr. Dean Ornish, exercise, eye disease, eye health, heart disease, heart health, kidney disease, kidney failure, kidney function, kidney health, Lifestyle medicine, medical education, medical profession, mortality, smoking, stroke, tobacco, Yale

I talk a lot about numbers and statistics, but as the Director of Yale's Prevention Research Center Dr. David Katz put it in an editorial in the American Journal of Health Promotion, to reach doctors, our fellow colleagues, maybe...

Don't Forget Fiber

Michael Greger MD | February 19, 15 at 05:00 AM | Health

Read More: Africa, animal fat, animal products, beans, cancer, cardiovascular disease, cardiovascular health, corn, dietary guidelines, Dr. Denis Burkitt, fiber, heart disease, heart health, Japan, Lifestyle medicine, medical education, medical profession, mortality, Native Americans, plant-based diets, processed foods, salt, squash, standard American diet, stool size, sugar, vegans, vegetarians

The famous surgeon Denis Burkitt is better known for his discovery of a childhood cancer now known as Burkitt's lymphoma than for his 1979 international bestseller, Don't Forget the Fibre in Your Diet. Anyone asked to list the twenty...

Organic Milk and Prostate Cancer

Michael Greger MD | February 17, 15 at 05:00 AM | Health

Read More: almond milk, cancer, dairy, eggs, estrogen, factory farming practices, farm animals, growth promoters, hormones, Japan, meat, men's health, metastases, milk, mortality, organic foods, organic milk, prostate cancer, prostate health, steroids

Researchers have expressed concern that since cow's milk contains estrogens, dairy could stimulate the growth of hormone-sensitive tumors. The thought is that the consumption of dairy products could both "promote the conversion of precancerous lesions or mutated cells to...

Now Hiring! New Employment Opportunities at NutritionFacts.org

Michael Greger MD | February 12, 15 at 05:00 AM | Health

Read More: jobs

It's been a long-time dream of mine to bring a dietitian or other nutrition or medical professional onto the team to help answer everyone's questions. When NutritionFacts.org began in 2011, I was able to personally respond to every comment,...

Who Should be Careful About Curcumin?

Michael Greger MD | February 10, 15 at 05:00 AM | Health

Read More: alternative medicine, bladder cancer, bladder disease, bladder health, calcium, cancer, complementary medicine, curcumin, DNA damage, flax seeds, gallbladder disease, gallbladder health, gallstones, gout, heavy metals, India, kidney disease, kidney function, kidney health, kidney stones, lead, liver disease, liver health, medications, mercury, oxalates, plutonium, pregnancy, safety limits, side effects, spices, supplements, turmeric

Following flax and wheatgrass, turmeric is the third best-selling botanical dietary supplement, racking up $12 million in sales. Currently, sales are increasing at a rate of 20%. "Curcumin is a natural plant product extracted from the turmeric root and...

Why Pepper Boosts Turmeric Blood Levels

Michael Greger MD | February 5, 15 at 05:00 AM | Health

Read More: alternative medicine, aspirin, asthma, butter, cardiovascular disease, cardiovascular health, complementary medicine, curcumin, curry powder, fat, heart disease, heart health, herbs, India, liver health, malaria, medications, pepper, piperine, quinine, spices, tea, turmeric

"Historians from all around the world have produced evidence to show that apparently all primitive peoples used herbs-often in a sophisticated way. Quinine from Cinchona bark was used to treat the symptoms of malaria long before the disease was...

Dr. Greger Takes on Mediterranean Diet in New DVD

Michael Greger MD | January 29, 15 at 05:00 AM | Health

Read More: DVD

The Mediterranean Diet is an "in" topic nowadays, in both the medical literature and the lay media. More than 450 papers were published in the medical literature during just the last year alone, more than one a day. As...

The Spice That Helps Ease Rheumatoid Arthritis Pain

Michael Greger MD | January 27, 15 at 05:00 AM | Health

Read More: alternative medicine, arthritis, autoimmune diseases, bone health, bone marrow health, cartilage health, complementary medicine, curcumin, curry powder, eye health, ginger, Ibuprofen, immune function, inflammation, joint disease, joint health, lifespan, liver health, medications, pain, rheumatoid arthritis, side effects, spices, turmeric, World Health Organization

Accordingto the World Health Organization, "80% of the Earth's inhabitants rely upon the traditional medicine for their primary health-care needs, in part due to high cost of Western pharmaceuticals. Medicines derived from plants have played a pivotal role in...

The Top Three DNA Protecting Spices

Michael Greger MD | January 22, 15 at 05:00 AM | Health

Read More: antioxidants, cinnamon, cooking methods, cooking temperature, curry powder, dairy, DNA damage, ginger, herbs, inflammation, milk, osteoarthritis, plant protein, protein, pumpkin, recipes, rosemary, soy, soy milk, spices, turmeric

In my video Which Spices Fight Inflammation? I profile a landmark study that compared the ability of different spices to suppress inflammation. The study also compared the spices' ability to protect DNA. Cloves, ginger, rosemary, and turmeric were able...

Superbugs on Retail Chicken

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

Read More: antibiotics, beef, chicken, children, Consumers Union, factory farming practices, farm animals, FDA, fecal contamination, food poisoning, foodborne illness, meat, medications, organic foods, penicillin, pork, poultry, Salmonella, superbugs, turkey, veggie burgers

One of the most concerning developments in medicine is the emergence of bacterial super-resistance--resistance not just to one class of drugs, like penicillin, but to multiple classes of drugs (so-called multi-drug resistance). In the 2013 Retail Meat Report, the...

Foods for Computer Eye Strain

Michael Greger MD | January 13, 15 at 05:00 AM | Health

Read More: anthocyanins, berries, bilberries, computer eye strain, currants, eye disease, eye health, fatigue, fruit, grapes, herbal remedies, industry influence, jam, raisins, supplements, vision

What happens to our eyesight when we sit in front of a computer all day? As researchers from the SUNY College of Optometry note, the rise in computer screens "has led to an increase in ocular and visual problems,...

Currant Treatment for Glaucoma

Michael Greger MD | January 8, 15 at 05:00 AM | Health

Read More: aging, anthocyanins, blindness, blueberries, cabbage, corn, currants, eye disease, eye health, fruit, glaucoma, Japan, macular degeneration, phytonutrients, potatoes, purple potatoes, rice, vision

In my video, Dietary Prevention for Age-Related Macular Degeneration, I discussed how eating goji berries with nuts and seeds can help build up yellow plant pigments such as lutein and zeaxanthin in our eyes to help fight age-related macular...

Top 10 Most Popular Videos of 2014

Michael Greger MD | January 6, 15 at 05:00 AM

2014 was another banner year for NutritionFacts.org. Thanks to the collective enthusiasm for sharing this work from our subscribers, twitter followers, and 200,000 Facebook fans, we averaged more than 1.3 million views per month. But it's not about the...

Foods for Macular Degeneration

Michael Greger MD | January 1, 15 at 05:00 AM | Health

Read More: aging, blindness, cardiovascular disease, cardiovascular health, chicken, cholesterol, eggs, eye disease, eye health, fat, glaucoma, goji berries, heart disease, heart health, LDL cholesterol, lettuce, lutein, macular degeneration, nuts, organic foods, oxidative stress, phytonutrients, poultry, seeds, spinach, vegetables, vision, zeaxanthin

Anyone who has gotten a bad sunburn knows how damaging the UV rays in sunlight can be. Imagine what those same rays are doing to back of our eyeballs (our retinas). The eye is designed to take sunlight and...

Foods for Glaucoma

Michael Greger MD | December 30, 14 at 05:00 AM | Health

Read More: African-American, antioxidants, bananas, blindness, calcium, carrots, collard greens, cooking methods, eye disease, eye health, fat, fruit, fruit juice, glaucoma, greens, iron, juice, kale, nuts, oils, orange juice, oranges, peaches, phytonutrients, seeds, supplements, tahini, vegetables, vision, women's health, zeaxanthin

Glaucoma is the second leading cause of legal blindness in white women, and the number one cause of blindness in African-American women. In a study I profile in the video Greens vs. Glaucoma, researchers chose a population of African-American...

How Long to Avoid Fish Before Conception?

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

Read More: abdominal fat, animal products, beef, body fat, brain disease, brain health, children, cognition, DDT, detoxification, DHA, diabetes, dioxins, EPA, fat, FDA, fish, industrial toxins, infants, meat, mercury, obesity, omega-3 fatty acids, PBCs, persistent organic pollutants, prediabetes, pregnancy, red meat, reproductive health, seafood, tuna, vaccines, women's health

Mothers' increased consumption of fish before and during pregnancy leads to increased exposure to both mercury and the long-chain omega 3 DHA. Mercury may negatively affect brain development in one's unborn baby, whereas DHA may stimulate brain development. However,...