Fallout from stressful events can linger a long time, study suggests

Researchers report drug mobilizes a kind of cell easily infected by a virus that attacks the brain

In study of patients with Barrett's esophagus, those who received radio-frequency ablation fared better

Living more than 100 miles away cuts odds of success, study finds

Researchers report drug mobilizes a kind of cell easily infected by a virus that attacks the brain

In study of patients with Barrett's esophagus, those who received radio-frequency ablation fared better

Living more than 100 miles away cuts odds of success, study finds

But it's not clear if there's a direct connection, and other genes also likely play a role, experts say

More research needed to show whether lifestyle directly affects vision loss, study author says

Nearly 10 percent of people are affected, researchers find