Africans have more genetic variation than anyone else on Earth, according to a new study that helps narrow the location where humans first evolved, probably near the South Africa-Namibia border.
A striking new study says almost 1 in 5 American 4-year-olds is obese, and the rate is alarmingly higher among American Indian children, with nearly a third of them obese.
The health insurance industry offered Tuesday for the first time to curb its controversial practice of charging higher premiums to people with a history of medical problems.
A new study by University of South Carolina researchers indicates aerobically fit women are three times less likely to die of breast cancer than those who seldom exercise.
More babies were born in the United States in 2007 than any other year in the nation's history.
One in 100 black men and women develop heart failure before age 50, according to one of the first long-term studies to look at the life-threatening condition in younger adults.
President Barack Obama on Saturday appointed the nation's first black head of the Food and Drug Administration and tasked her with overhauling the agency charged with ensuring food safety.
Striking new research shows dying blacks and Hispanics have much steeper treatment costs than whites.