How many hours is considered enough sleep?

Sleep needs vary from person to person--and vary across a person's lifetime, says Michael Timothy Smith, MA, PhD, director of the Behavioral Sleep Medicine Program at Johns Hopkins University, in this HealthMakers video.

An overview of TTR stabilizers and gene-silencing therapies for treating hereditary transthyretin (hATTR) amyloidosis.

Too much screen time can harm sleep, mood, and much more.

Find out why cynical people may be more likely to develop dementia.

Are you wondering if this popular supplement is a safe way to get more sleep? Get the facts.

Why red blood cells are so important, and how these cells are affected by sickle cell disease.