For more analysis, we are joined in studio by Doctor Wei Cheng, Chair of Pediatric Surgery from United Family Health Beijing. Welcome.
Q1. According to the health report, five-year-old boys are, on average, eight centimeters taller than they were 40 years ago. That's quite a remarkable transformation. How do you explain it?
Q2. It seems obesity is a major problem for city kids today. Why is that and how can it be reversed?