Top Health Stories of 2015

Rising drug prices and promising medications for heart disease and cancer were among the top health stories of 2015.

Doctors also discovered a possible way to greatly reduce the chances of peanut allergy in kids, feed them peanut foods.

"It seems to desensitize the patient. It makes it so they make a normal immune response to the food they eat," said Dr. Jay Portnoy of Children's Mercy Hospital.

Pediatricians came up with guidelines for introducing peanut foods at 4 to 11 months old for those at risk of that allergy.

See what else made the list via Fox 4.