Chewing gum may help teens crunch numbers

In a study likely to make school janitors cringe, U.S. researchers said that chewing gum may boost academic performance in teenagers.

Hormone therapy may lower colon cancer risk

Hormone replacement therapy may raise a woman's risk of breast cancer and heart disease but it lowers her risk of colon cancer, according to two new studies.

FDA expands access to Plan B for 17-year-olds

The battle over access to Plan B has dragged on for the better part of a decade.Seventeen-year-olds will be able to buy the “morning after” emergency contraceptive without a doctor’s prescription, after the FDA bowed to a federal judge’s order.


Painkillers may delay, not prevent Alzheimer’s

Contrary to earlier findings, taking common painkillers such as ibuprofen and naproxen may not prevent Alzheimer's disease, but may delay it, U.S. researchers said.

New York preps for battle against salt

Herbert Smith Jr., 54, has high blood pressure and needs to limit the amount of salt that he eats. He supports a New York City health department campaign to get the food industry and restaurants to cut back on the salt they put in their products.First, it was a ban on artery-clogging trans fats. Then calories were posted on menus. Now the New York City health department is taking on salt.