Michael Greger
Harvard University researchers found that women at high risk of heart disease who had a tablespoon of peanut butter five or more days a week appeared to nearly halve their risk of suffering a heart attack compared with women who ate one serving or less per week.
Sometimes it feels like there aren't enough hours in a day to get everything done.
As you age, your blood pressure tends to get higher.
If you consume too much salt, it can cause water retention. When this happens, your body usually responds by raising your blood pressure to push excess fluid and salt out of your system.
In my clinical practice, the one diagnosis I always dreaded giving was Alzheimer's. Billions have been spent on research, but there's still neither a cure nor an effective treatment.
Most Alzheimer's sufferers aren't diagnosed until their 70s. However, we now know that their brains began deteriorating long before that.
Cholesterol - which you get from eating too much of the wrong kind of fat - doesn't just help clog arteries in the brain, it may also help to seed the amyloid plaques that riddle the brain tissue of Alzheimer's victims.
Most of us know that the hormone melatonin helps regulate our sleep. But it also seems to play another role - suppressing cancer growth.
In a Harvard University study, the diets of nearly 1,000 women were analysed before their morning melatonin levels were measured. Meat consumption was the only food significantly associated with lower melatonin production, for reasons that are as yet unknown.
One of the worst things you can do if you're worried about breast cancer is to cook beef, pork, fish or poultry at a high temperature - which includes frying, grilling and roasting.
Breast cancer is thought to use cholesterol to help the cancer migrate and invade more tissue.
Although even light exercise is associated with a lowered risk of some other types of cancer, for breast cancer, it appears that leisurely strolls don't appear to cut it.
Physical activity is considered a promising preventive measure against breast cancer - not only because it helps with weight control but because exercise tends to lower circulating estrogen levels.
Walking at a moderate pace for an hour a day is considered a moderately intense level of exercise.
You can buy turmeric from any supermarket - or get it raw from Asian shops and grate a quarter of an inch of the root into your food. There's evidence to suggest raw turmeric may have greater anti-inflammatory effects, while cooked turmeric offers better DNA protection.
The problem with all-or-nothing thinking is that it stops people even taking the first steps. The thought of never having pepperoni pizza again somehow turns into an excuse to keep ordering it every week.
As you eat more healthily, your palate changes - it's amazing. Your taste buds constantly adapt: from minute to minute, in fact. If you drank orange juice right now, it would taste sweet. But if you first ate some sweets then drank the same juice, it could taste unpleasantly bitter.
Good news for orange lovers: citrus fruit intake has been associated with reduced stroke risk.
So, what is a stroke? In about 90 per cent of strokes, it's the result of blood flow to part of the brain getting cut off, depriving it of oxygen and killing off the part fed by the clogged artery.
A small minority of strokes are hemorrhagic strokes, which are caused by bleeding into the brain when a blood vessel bursts.
A massive stroke may kill you instantly, while a series of mini-strokes may disable and kill you over several years.
Studies of immigration show that this resistance to heart disease is not just something in African or Chinese genes. When people move from low-risk to high-risk areas, disease rates skyrocket as they adopt Western diets and lifestyles.
Unhealthy meals don't just cause internal damage decades down the road, but right here and now, within hours of going into your mouth.
Certain foods, such as meat, appear to harbour toxic bacteria - known as endotoxins - that can trigger inflammation in your arteries, even when food is fully cooked.
Among identical twins who have the exact same genes, one may die early of a heart attack and the other may live a long, healthy life - depending on their lifestyle and what they eat.
When I was a child, doctors sent my grandmother home in a wheelchair to die. Diagnosed with end-stage heart disease, she already had so much scar tissue from bypass operations that the surgeons had essentially run out of plumbing. There was nothing more to do, they said; her life was over at 65.
For many children, it's seeing a beloved relative ill and in pain that leads them to want to become doctors. But, for me, it was watching my grandma get better.
The largest outbreak of bird flu in American history was an H5N2 virus, which led to the deaths of 17 million domestic birds and cost the nation more than $400 million during an outbreak in Pennsylvania that started in 1983.
In nature, disease-causing strains of avian influenza rarely spread far because the birds sicken and die before they can fly to spread it to others.
High levels of stress can lead to weakened immunity, rendering animals much more susceptible to disease. This makes the average poultry factory farm a hotbed for outbreaks of avian flu.
People tend to eat poorly because it's convenient; it's what's around them. But you can make the switch. I think the way to do that is to just make fruits and vegetables as convenient as possible to eat.
Women with a higher intake of berries appeared to have delayed cognitive aging by 2.5 years. So it's like your brain is 2.5 years younger if you're eating berries.
We should all be eating fruits and vegetables as if our lives depend on it - because they do.Collection: Vegetables
The most ethical diet just so happens to be the most environmentally sound diet and just so happens to be the healthiest.Collection: Sound
I continue to be amazed by our bodies' ability for self-repair. ... Our bodies want to be healthy, if we would just let them. That's what these new research articles are showing: Even after years of beating yourself up with a horrible diet, your body can reverse the damage, open back up the arteries-even reverse the progression of some cancers. Amazing! So it's never too late to start exercising, never too late to stop smoking and never too late to start eating healthier.Collection: Cancer
I think of veganism humbly and holistically. It's about taking personal responsibility in a world so full of needless suffering. It's challenging one's self to open one's eyes and question society's assumptions and habits. It's about critical thinking and compassion and how we would like to see the world evolve.Collection: Eye
If [you are] over the age of 10, the question isn't whether or not to eat healthy to prevent heart disease, it's whether or not you want to reverse the heart disease you already have.Collection: Heart
Be a shining role model of the best qualities humane eating embodies: caring, compassion, and empathy.Collection: Caring
Those who consume animals not only harm those animals and endanger themselves, but they also threaten the well-being of other humans who currently or will later inhabit the planet. ... It is time for humans to remove their heads from the sand and recognize the risk to themselves that can arise from their maltreatment of other species.Collection: Animal
I ask the internist why there aren't more Ornish-like studies. 'There aren't any financial interests involved.'Collection: Study
You know you're grown up when summer is just a season.Collection: Summer