Why don’t more teenage girls in the UK play sports? For about half of them, it could be due to embarrassment or pain associated with their breasts, according to a new study.

Katie Bird had been battling an eating disorder ever since she started taking diet pills at age 13. When she had a child of her own, she knew she couldn’t keep passing out from lack of calories; she needed to win the fight. But she didn’t realize she’d also need to battle her insurance company to do it.