Summary The percentage of children who are overweight has more than doubled since the early 1970's, according to the Atlanta Center for Disease Control. What has caused this troubling statistic and what can parents do about it? Planet Parent sought answers to these questions from Dr. Diane Finegood, a Diabetes Scientist with the Canadian Institute of Health Research, obesity expert Dr. William Dietz, Director of the Division of Nutrition and Physical Activity in the National Center for Chronic Disease Prevention and Health Promotion at the Centers for Disease Control and Prevention in Atlanta and medical geneticist Dr. Alan Bernstein, President of the Canadian Institutes of Health Research. Our reality check brings you a survival guide to play-dates. Hint: have lots of juice on hand and get a firm pickup time from your little guests' parents. Parting is such sweet sorrow, and leaving our little ones with a caregiver can give rise to separation anxiety on their part. Dr. Alicia Leiberman, Director of the Child Trauma Research Project at San Francisco General Hospital talks about How to alleviate the impact of this perfectly normal reaction. And on our video diary, part two of the story of the Jarvie Fillmore twins. Their parents, both with new partners share custody of the twins. Recently, each of these families gave birth to a new baby boy. Now the twins have two brand new baby brothers in their lives. We check in and see how their world is changing.

• Documentary