HealthDay - TUESDAY, March 9 (HealthDay News) -- When the cost of junk food increases, people consume less of it, a new study has found.

HealthDay - Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Reuters - Giving gluten-containing foods to infants too soon may trigger long-lasting tummy troubles but more study is needed before changing recommendations for parents, Dutch researchers conclude.

Reuters - U.S. researchers estimate that an 18 percent tax on pizza and soda can push down U.S. adults' calorie intake enough to lower their average weight by 5 pounds (2 kg) per year.