But high-sensitivity troponin screening isn't yet approved in U.S.

But researchers can't say if exercisers have less severe disease or if activity eases symptoms

Calling ambulance speeds up critical time to treatment, experts say

But researchers can't say if exercisers have less severe disease or if activity eases symptoms

Calling ambulance speeds up critical time to treatment, experts say

Australian study finds many drinking ads aired during kids' peak daytime viewing times

Respiratory syncytial virus (RSV) kills 200,000 young children worldwide each year

Brain changes exist before mental illness is diagnosed, researchers say

About 329,000 cases actually occur each year

Study finds changing timing of fertility treatment process might lead to more success