The national study found a small but significant decline in the average body mass index of more than 14,000 schoolkids ages 5 to 18 whose heights and weights were tracked before and after implementation of the Healthy, Hunger-Free Kids Act of 2010.
The national study found a small but significant decline in the average body mass index of more than 14,000 schoolkids ages 5 to 18 whose heights and weights were tracked before and after implementation of the Healthy, Hunger-Free Kids Act of 2010.