person looking at a vitamin bottle in a store

Supplements

Do you need a multivitamin? What many people get wrong

Multivitamins have branched out. They’re now marketed for immune support, energy, menopause, hair/skin/nails, heart health, and more. Do you need a multivitamin? Here’s what they can—and can’t—do, according to the latest clinical trials...not the latest labels or ads.

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small dog sleeping in white sheets

How to get better sleep—and why it matters

Getting too little sleep may boost the risk of health problems. Here’s why sleep matters, how to determine your own sleep needs, and how to sleep better.

pill bottle with DVs and RDAs listed for vitamins

Supplements

Vitamin ABCs: How much of each do you need?

How much of each vitamin and mineral do you need each day? Here's what to aim for (from foods and supplements combined). 

What to know
2 women eating salads

A snapshot of the latest research on diet, exercise & more

Here's the latest research about fake Ozempic, reversing prediabetes, preserving your memory, calorie-dense foods, and more.

See the studies