Unit 3 A healthy life Nearly a million American youngsters, some as young as 6,rely onpersonal trainers to shape up塑身, lose weightor improve in sports
Many parents, worried about their children'sweight and fitness, say that working with a trainer motivates 激发 their kids and helps them build confidence
So they arewilling to spend the D|S40 to D|S60 an hour that trainers generally charge
,The Bostonbased group's latest figures, from 2005, show that 824,000 children between the ages of 6 and 17 use trainers
With many high school students not getting exercise at school, more parents are turning totrainers to help their children stay fit
More than onethird of American children are overweight andexperts warn of future health problems ahead from diabetes 糖尿病 to heart disease