![Obesity can aggravate bone and muscle loss Obesity can aggravate bone and muscle loss](http://www.saharasamay.com/pics/article/2014_04_19_06_59_40_obesity600D.jpg)
She examined the files for 200 women who'd participated in previous studies where she had measured their bone density, muscle mass and fat tissue for different reasons. About one-third had more than 30 per cent fat tissue, plus declining bone density (osteopenia) and muscle mass (sarcopenia), she found.