An analysis of the popular 4/20 weed celebration found an increase in auto accidents after 4:20 p.m.
People killed by animals were most often attacked by bees, hornets and dogs, a new analysis finds.
In patients with coronary heart disease, exercise lowered the risk of dying, while weight loss did not.
Adults also need to get vaccinated to provide herd immunity for others, especially babies and older people.
More than two million patients have been saved by advances in diagnosis and treatment since 1991, according to new data.
Soot causes more deaths than AIDS each year in the United States.
Thirty minutes of chores like light housework or walking slowly was tied to a 12 percent reduction in mortality in older women.
As one major killer — smoking — declined, another rose precipitously to take its place: obesity.