Health & Safety

Each year more than 12 million Americans go to the doctor because of severe, chronic headaches. Many are sent for expensive tests. Researchers say all this testing isn't doing people much good.

Long hours in practice might account for the higher concussion risk in high school and college football, a study finds. Some schools are retooling practice to reduce the number of hits.

The competitive California school district has seen four students take their own lives since October. One junior talks about reactions to the deaths, pressures students face and hopes for the future.

After two of her classmates took their lives, MIT freshman Isabel "Izzy" Lloyd made wristbands to promote compassionate outreach on campus. The white bands say TMAYD, for Tell Me About Your Day.

Weeks after being diagnosed with Ebola, a doctor came down with a dangerous eye infection. Ebola was lurking there. Other Ebola victims face the risk of blindness through these delayed infections.

Ebola put the country's immunization program on pause. Now officials are launching a nationwide vaccination campaign to stop the largest measles outbreak the country has seen in years.