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.

Dietitians point to this snack to boost your brain health

Three registered dietitians highlight the same foods as the optimal snack for supporting brain health and cognitive function, according to Real Simple.Many people want...

How eating an avocado every day can affect your heart, gut and cholesterol

A daily avocado quietly changes the mix of bacteria in your gut, one trial found.

Is CoQ10 worth taking? Here is what the clinical evidence actually shows

CoQ10 is a top-selling supplement, but whether it works depends on why you take it.

Do you really need 8 glasses of water a day? Here is what the evidence says

The rule everyone repeats has thin scientific support, and hydration experts have known it for years.

Not all magnesium supplements are the same: which form is right for you

A quick, evidence-based guide to which form fits sleep, constipation or a general top-up.

How eating tomatoes every day can affect your heart, skin and cancer risk

Tomatoes rarely make health headlines, but the daily case is stronger than most people think.