I'd rather be sticking needles in my eyes. But that wasn't on the survey. iStockphoto hide caption
oral health oral health
A sweet way to avoid the dentist? Microbiologists are developing a probiotic mint that uses dead bacteria to fight off cavities. Morgan Walker/NPR hide caption
Appalachia has a distinct culture of sipping soda constantly throughout the day. "Here in West Virginia, you see people carrying around bottles of Mountain Dew all the time — even at a public health conference," says public health researcher Dana Singer. Jin Lee/Bloomberg via Getty Images hide caption
Scientists examined bacteria in the mouths of twins, and found that it's not as similar as they thought it would be. Sharon Dominick/iStockphoto hide caption