Genetics can be blamed for some of the more severe cases of childhood obesity. However, new research shows that many children are obese simply because of their lifestyles.

By transforming themselves into blood-vessel cells, brain-cancer cells have the ability to defy drugs that attempt to cut off blood in order to starve a brain tumor.

Past studies have shown that men are less likely than women to seek routine medical care because they do not want to appear weak. However, a new study has found that this may not be true for African-American men.

Offering smaller portions at cafeterias might curb calorie intake for some, according to researchers at VU University Amsterdam.

According to new research from Johns Hopkins University in Baltimore, about a quarter of African-Americans have a gene that helps protect them against heart disease.

According to a new report from Henry Ford Hospital in Detroit, preserving a patient's voice and rebuilding the trachea is possible after removing an invasive throat tumor.

Kidney stones and clogged arteries may be related by a common cause. A study shows that people who have had kidney stones are more likely to develop clogged arteries.

While widely touted as osteoporosis preventive must-haves, extra calcium and vitamin D in men do not appear to prevent bone thinning.

Shockable arrests (cardiac arrest treated by electric stimulation) are more prevalent in public settings than in the home.

Shifts and disruption in internal alarm clocks (known as the circadian clock) caused by shift work and erratic sleep patterns can contribute to cancer, diabetes and depression, among other health problems.