A 48-year-old woman from China's southwestern Sichuan Province fractured a rib simply by turning over in bed, due to severe ...

In an unusual case, a 48-year-old woman from Chengdu in China suffered a bone fracture simply by turning over in her sleep, an injury doctors say is linked to years of excessive sun avoidance.

Screening for osteoporosis is recommended at age 65, but experts say women should be proactive about bone health long before that.