ScienceInsights

Find out which foods are highest in vitamin B12, from salmon and beef liver to fortified cereals, and learn who may need extra support getting enough.

Pathological lying isn't its own diagnosis, but it's often tied to real mental health conditions. Here's what the science says.

Nearly half of American adults have high blood pressure, and many don't know it. Here's what the numbers look like by age, sex, and risk factor.

Tinnitus has several causes and a range of treatments that can help, from sound therapy and hearing aids to lifestyle changes and newer therapies.

Most parents can find out their baby's sex as early as 9 weeks, depending on which test they choose and why.

Early cradle cap often looks like subtle yellow or flaky patches on the scalp. Learn how to spot it, manage it at home, and when to see a doctor.

A practical look at how much CBD is considered safe daily, from regulatory guidance and clinical research to liver risk thresholds and drug interactions.

Calorie needs change at 50 due to shifting metabolism. Learn how activity level, protein, and fiber help you find the right daily intake for your body.

A mouth abscess needs professional treatment, but here's what to expect from your dentist and how to manage pain in the meantime.

Morning eye puffiness is usually temporary. Learn what causes it and simple ways to reduce swelling quickly before your day begins.