The results of several studies illustrate the damage air pollution is doing to our brains, and the picture isn't pretty.

Most U.S. teenagers are not as active as they should be, but a lack of exercise does not seem to account for rising rates of teen obesity, a new study finds.

Adults today have all been educated on the dangers of smoking, yet so many people still choose to light up. New reports show that the prevalence of adult smokers is no longer dropping yearly. Are we losing the battle?

Put down the hand sanitizer! A new report shows that disinfecting to kill all germs can do more harm than good.

In developing countries, children are developing growth problems because of the poor quality of the food that they are getting.

As we know, sugar may be a huge contributor to our obesity crisis and other chronic diseases. But, new campaigns are pushing chocolate milk as "health food" despite the fact that it contains 16 grams of sugar per serving. Er...

Some studies have linked BPA--a compound found in water bottles--to a risk of brain damage, birth defects, hyperactivity, heart disease, early puberty, obesity, and prostate cancer.

LIME.com's own Chris Miglino, as well as our sister site, yogamates.com, was nominated for a super cool "Game Changer" award on HuffingtonPost.com. Cast your vote today!

Confused by the H1N1 vaccine? WebMD separates the facts from the hype.

Postpartum depression is the most common complication of childbirth, striking approximately 15 percent of new mothers each year.