More girls are hitting puberty at eight or earlier. Researchers are exploring the causes, the consequences and what should be done. When Lola was eight years old, she went through a massive growth ...

At the turn of the 20th century, a sporty American woman would have had relatively few arenas to test her skill: croquet, maybe, or archery, or basketball played gently in an ankle-length skirt.

From the moment I started school, I took every opportunity to run, jump, skip and hop that I could. PE lessons, sports days, playground games of tag and hopscotch – I loved it all, and so did the ...