NEW YORK (Reuters Health) - Roughly 1 in 10 pregnant women in the U.S. expose their unborn baby to herbal products, according to a new study.

LOS ANGELES (Reuters) - The Los Angeles City Council approved an ordinance on Tuesday that will shut down hundreds of medical marijuana dispensaries that recently opened in America’s second-largest city.

LONDON (Reuters) - Moderation appears to be the best approach to controlling blood sugar in a form of diabetes that affects many adults, researchers said Wednesday, since lowering it too far can be as risky as letting it stay too high.

OTTAWA (Reuters) - Canada will use its presidency of the Group of Eight leading nations to push for improvements in maternal and child health in poor countries, Prime Minister Stephen Harper said in an editorial published on Tuesday.

NEW YORK (Reuters Health) - People with high blood pressure who want to drop some pounds may want to choose a low-carb diet, a new study shows.

WASHINGTON (Reuters) - Researchers announced a new project on Monday to sequence all the genes in childhood tumors to try to discover previously unknown causes of cancer.

NEW YORK (Reuters Health) - When restaurant menus list calories, parents will limit how much fast food their kids eat, a new report suggests.

NEW YORK (Reuters Health) - Many processed foods contain too much salt, and sauces, spreads, and processed meats are the top offenders, new research shows.

LONDON (Reuters) - British scientists have found a new and faster way of studying a crucial class of cancer cells, called cancer stem cells, which they say should speed up work on developing drugs against them.

NEW YORK (Reuters Health) - Older adults who take powerful prescription painkillers known as opioids face an increased risk of bone fractures, especially at moderately high medication doses, a new study finds.