Nutrition

Millions take fish oil for brain health: A two-year trial found zero benefit

The omega-3s actually did reach the brain, which rules out the usual defense, and yet the researchers found nothing where they expected a change.

7 warning signs your vitamin D may be dropping as the days get shorter

The body makes most of its supply from the sun, and once October ends the pipeline largely shuts down across much of the country.

Taking melatonin every night for a year: a large study flags a serious heart signal

The bedtime supplement millions reach for is looking less harmless when the habit stretches past twelve months.

7 common supplements to avoid if you take warfarin or a blood thinner

Some are in nearly every kitchen cabinet, and your doctor may have no idea you take them.

7 everyday foods that may gradually raise your risk of type 2 diabetes

They are not the chips and candy you would expect, and most of them are probably sitting in your kitchen right now.

Millions take fish oil for brain health: A two-year trial found zero benefit

The omega-3s actually did reach the brain, which rules out the usual defense, and yet the researchers found nothing where they expected a change.

7 warning signs your vitamin D may be dropping as the days get shorter

The body makes most of its supply from the sun, and once October ends the pipeline largely shuts down across much of the country.

Taking melatonin every night for a year: a large study flags a serious heart signal

The bedtime supplement millions reach for is looking less harmless when the habit stretches past twelve months.

7 common supplements to avoid if you take warfarin or a blood thinner

Some are in nearly every kitchen cabinet, and your doctor may have no idea you take them.

How eating cabbage every day can affect your gut, heart and brain

Cabbage rarely gets health headlines, but the evidence for it is more solid than most people think.

How eating Greek yogurt every day can affect your gut, bones and weight

Strained, thick and unusually protein-dense, Greek yogurt is not just a fad. Here is what research suggests it may do for your gut, bones and weight.

Going completely sugar-free may backfire for your gut, early research warns

In a 16-week mouse study, no sucrose meant worse blood sugar and gut health.

How eating pumpkin seeds every day can affect your sleep, heart and prostate

One small handful may quietly push three unlikely levers in your body.

Ultra-processed food may be quietly dulling your focus, even if you eat well otherwise

A large new study finds a packet of chips a day is enough to move the needle on attention.

If you take a statin for cholesterol, these foods may affect how it works

Grapefruit is only part of the story for the more than 92 million American adults on statins.