6 Ways to Make the Most of Your Teen's Visits to the Doctor

"Starting early is something that needs to be emphasized," Chung said. "Make health a common topic in the home from early on."

Role modeling is crucial, so let your kids know that you don't just understand what a healthy lifestyle is — you believe in it and put it into action in your own home.

"When a parent does the things they're asking the teen to do, it paves the road, setting behaviors that will likely continue well into adulthood," he added.