Childhood obesity: affecting choices.

摘要

The statistics are grimly familiar. According to the latest National Health and Nutrition Examination Survey, every other child in the USA now has a body-mass index (BMI) at or above the 85th centile on age-specific national growth charts for ideal weight gain. And a nationwide survey by the Kaiser Family Foundation published last month revealed that children aged 8-18 years devote on average 75 h per day to "entertainment media" such as television, music, computers, and video games. Now, US First Lady Michelle Obama has launched an ambitious initiative to eliminate childhood obesity within a qeneration