The Big Number: Achoo! Hay fever afflicts 25.5 million people a year.

Triggered by pollen from trees, grasses and weeds, the seasonal affliction usually causes people to suffer most on hot, dry, windy days. Health

Postpartum depression is one of the most common complications of childbirth. Researchers are homing in on risk factors.

Findings from a study show that it can vary in severity, which can affect the type of treatment a woman might need to recover. Health

For three years her skin ulcers and pain would flare, then vanish, stumping doctors. Her daughter, a nurse, finally figured it out.

After hearing a case study in class, Kimberly Ho was startled by the similar symptoms. Health

A baby was born with nearly no skin. Doctors are fighting to keep him alive.

Doctors believe Ja’bari Gray was born with a rare genetic condition called epidermolysis bullosa that makes his skin appear translucent, or even non-existent. Health

HHS launches program to cut opioid overdoses by 40 percent in three years

It will employ a comprehensive strategy across several states, encouraging the involvement of doctors, police, churchs and even housing providers. Health