And strange, as well.

In 1972, 87% of children who lived within a mile of school walked or biked daily; today, just 13% of children get to school under their own power, according to the Centers for Disease Control and Prevention. In a significant parallel, before 1980, only 5% of children were obese; today that figure has tripled, says the CDC.

That's a weird thing, in my ow opinion.  Not too integral...