As skin ages, collagen and elastin production slow down, leading to loss of firmness and elasticity,” board-certified dermatologist Azadeh Shirazi, MD, tells SELF. “The skin becomes thinner, drier, ...

Physician groups urge Congress to restore vital federal health data and guidance removed from CDC and NIH websites, hindering patient care.

it has a complicated social system, it has been the subject of very detailed field studies, and it is threatened by loss of habitat. Formerly considered just a race of the scrub-jays found in the west ...