Study: Girls Hit Puberty Earlier than Ever

Monday, 11 April 2011 | by Pat's Picks

According to USA Today, girls are hitting puberty earlier than ever, a phenomenon that has doctors and experts at a loss. It’s estimated that 15 percent of American girls now begin puberty by the age of seven. Many reasons—obesity, “hormone-like” environmental chemicals—have been blamed but no one sure exactly what has caused the ramped up development; boys are maturing at the same rate they always have.