For Black Girls, Lack Of Exercise Heightens Obesity Risk

For Black Girls, Lack Of Exercise Heightens Obesity Risk: About half of African-American women in the U.S. are obese, compared to 30 percent of white women. Black women not only carry more weight, but they start piling on extra pounds years before their white counterparts. Around age 8 or 9, girls become less active, and the decline is steepest for black girls.