In chronic hepatitis B, the liver contains immune cells that could destroy hepatitis B virus infected cells but are inactive. Researchers have discovered that cells blood vessels in the liver start a ...

A purpose of duty-hour regulations is to reduce sleep deprivation in medical trainees, but their effects on sleep, sleepiness, and alertness are largely unknown. We randomly assigned 63 ...

Explore the science behind why we sleep and what we can do to sleep better. Sleep impacts all of us. Whether we get a lot of it or not nearly enough, our quality of sleep impacts other facets of our ...