Activity helps protect against heart disease

Study suggests patients with spouses have survival advantage over single people battling disease

Researchers in Brazil detect symptoms similar to multiple sclerosis

Researchers in Brazil detect symptoms similar to multiple sclerosis

Money could expand basic health care services for mothers, babies and children in 74 nations

Link was less pronounced in men, research finds

Seven years after receiving metal stents, donated skin tissue, patient can swallow and eat normal food

Long-term reductions in arrests were seen when new drivers were limited to daytime hours

Progress in anti-smoking campaigns slows as tobacco companies ramp up marketing in black neighborhoods, study says

Progress in anti-smoking campaigns slows as tobacco companies ramp up marketing in black neighborhoods, study says