Medications

Daily multivitamin may be an unnecessary habit

Are you among the one in three Americans who gulps down a multivitamin every morning, probably with a sip of water? The truth about this popular habit may be hard to swallow.

Neuroscience

Nitric oxide signaling in health and disease

In a recently published review article in Cell, researchers Jon Lundberg and Eddie Weitzberg at the Department of Physiology and Pharmacology at Karolinska Institutet summarize research in nitric oxide (NO) with a focus on ...

Diseases, Conditions, Syndromes

COVID-19: New energy for flagging immune cells

In severe COVID-19 patients, metabolism produces insufficient amounts of certain energy-rich compounds called ketone bodies. However, these energy carriers are needed by two important cell types in the immune system in order ...

Pediatrics

What to know before giving your child melatonin

Sleep plays a big role in your child's physical and mental well-being. If your kid is struggling with falling and staying asleep, you might find yourself turning to melatonin—an over-the-counter sleep aid—to help them.

Medications

On nutrition: Supplements for sleep

It's true that as we age, we don't sleep as well or as long. Why is that? Scientists say several changes occur with aging that disrupt our natural sleep cycle.

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