(Reuters) - U.S. agencies should create a new, unified nutrition rating system, using symbols on the front of food and drink packaging to help consumers buy healthier foods, an influential advisory group said on Thursday.

NEW YORK (Reuters Health) - They say "You are what you eat." Maybe it should also be, "You are where you live."

NEW YORK (Reuters Health) - Adding to the mixed bag of research on bisphenol A and diabetes, a new study suggests that people with higher urinary levels of the controversial chemical do have a higher risk of diabetes.

NEW YORK (Reuters Health) - Exercising during pregnancy was safe for both moms and babies in a new study of heavy women in Brazil, but fitness classes and at-home exercises didn't keep moms-to-be from gaining too much weight.

Working night shifts as a teenager is not only exhausting; it also significantly increases the chance of developing multiple sclerosis later in life, a Swedish study published Tuesday showed.

The humble potato is at the center of a political food fight in Washington over what American children should be eating in their school cafeterias.

NEW YORK (Reuters Health) - People who have weight loss surgery aren't alone in slimming down after the procedure -- family members do so, too, a study in the Archives of Surgery shows.

NEW YORK (Reuters Health) - People who've had gastric bypass surgery might make healthier eating choices than those who opt for the weight loss procedure known as gastric banding, say UK researchers who found bypass patients less tempted by sweets and other fattening foods.

NEW YORK (Reuters Health) - Infants raised on formula who are introduced to solid foods before four months of age tend to gain more weight within the first year than infants who start later, a recent study suggests.

WASHINGTON (Reuters) - A government regulator that is part of a working group concerned about junk food ads aimed at children will announce on Wednesday it is backing off some proposals for voluntary food marketing guidelines.

NEW YORK (Reuters Health) - Weight loss surgery lowers patients' risks for heart disease, according to a new review of the medical literature.

WASHINGTON (Reuters) - A government regulator that is part of a working group concerned about junk food ads to children will announce on Wednesday it is backing off of some proposals for voluntary marketing principles.

HONG KONG (Reuters) - Pregnant women who are obese put their children at higher risk of developing asthma compared to mothers of normal weight, a large study in Sweden has found.

NEW YORK (Reuters) - Trainer Kim Lyons already had a decade of fitness experience behind her but she says the lessons she learned while working on a reality TV show shaped her professional philosophy.

Every lunchtime at a McDonald's on the corner of one of central New Delhi's biggest streets, queues of hungry young patrons, often four-wide and unruly, snake towards the counters.

CHICAGO (Reuters) - The percentage of Americans of "normal weight" has slightly increased in the past year, but overweight and obese people still command a solid majority, according to a new study.

CHICAGO (Reuters) - The percentage of Americans of "normal weight" has slightly increased in the past year, but overweight and obese people still command a solid majority, according to a new study.

CHICAGO (Reuters) - The percentage of Americans of "normal weight" has slightly increased in the past year, but overweight and obese people still command a solid majority, according to a new study.

CHICAGO (Reuters) - The percentage of Americans of "normal weight" has slightly increased in the past year, but overweight and obese people still command a solid majority, according to a new study.

NEW YORK (Reuters Health) - Researchers this week said there's not much evidence to support a common theory behind weight-loss programs known as the "stages of change" model.