How Much Sleep Do You Need?

Are Melatonin Supplements Safe?

Over-the-counter melatonin (“anti-gonad hormone”) supplements tend not to contain what they say they do, and the contaminants could be dangerous.

How to Treat Jet Lag with Light

Use cheat sheets to figure out exactly when and how to treat jet lag using light exposure and light avoidance at specific times of the day, based on which direction you’re going and how many time zones you cross.

CHIP: The Complete Health Improvement Program

Learn about this community-based education program informing physicians and patients alike about the power of nutrition as medicine.

Alternative Treatments for Autism

The secretin story holds an important lesson that extends far beyond autism.

Is Marijuana Addictive?

The evidence clearly indicates that long-term marijuana use can lead to addiction, but are there negative consequences?

Best Foods to Avoid for Eczema

Randomized, double-blind, controlled trials suggest that excluding certain foods, such as eggs and chicken, can significantly improve atopic dermatitis.

How Much Should You Exercise?

Physical fitness authorities seem to have fallen into the same trap as the nutrition authorities, recommending what they think may be achievable, rather than simply informing us what the science says and letting us make up our own mind.

Parkinson’s Disease and the Uric Acid Sweet Spot

The link between Parkinson’s and dairy may not be explained just by the pesticides and lactose.

Slowing Our Metabolism with Nitrate-Rich Vegetables

The reason greens are associated with a significantly longer lifespan may be because, like caloric restriction, they improve our energy efficiency.

Plant-Based Diets for Improved Mood and Productivity

The most comprehensive controlled trial of diet and mood finds that a plant-based nutrition program in a workplace setting across ten corporate sites significantly improves depression, anxiety, and productivity.

cup of brewed coffee and coffee beans on wooden table

Coffee and Mortality

What effect does coffee and tea consumption have on longevity, cancer risk, GERD reflux, bone fractures, glaucoma, sleep quality, and atrial fibrillation (irregular heartbeat)?

Food as Medicine: Preventing and Treating the Most Dreaded Diseases with Diet

Dr. Greger has scoured the world’s scholarly literature on clinical nutrition and developed this new presentation based on the latest in cutting edge research exploring the role diet may play in preventing, arresting, and even reversing some of our most feared causes of death and disability.

How to Reach the Antioxidant “RDA”

Even nine servings of fruits and vegetables a day may not reach the minimum recommended intake of antioxidants if one doesn’t make the right choices.

How Many Poppy Seeds Are Too Many?

Soaking and cooking poppy seeds can lower their morphine and codeine levels—but those undergoing drug testing may want to avoid them altogether.

drops of red food dye splashing onto a surface

Artificial Food Colors and ADHD

In response to definitive evidence showing artificial colors may increase inattentiveness, impulsivity, and hyperactivity among young children, a call has been made by consumer groups to ban food dyes.

Dietary Treatment for Painful Menstrual Periods

Women suffering with dysmenorrhea who switch to a plant-based diet experience significant relief in menstrual pain intensity and duration.

graph showing melatonin content of different nuts and berries

Tart Cherries for Insomnia

The melatonin content in certain plant foods such as almonds, raspberries, and goji berries may explain the improvement in sleep quality associated with tart cherry consumption.