“Yo-yo” dieting isn’t just a problem for your clothing budget as you try to keep up with your fluctuating jean size. It’s also bad for your bones. As unwanted pounds melt away, a dieter’s skeleton typically loses mass and strength. When the pounds come back, the lost bone doesn’t.
With funding from NASA, scientists from Oregon State are looking at how mice expend energy under weightless conditions. Specifically, they want to know if the manner in which animals regulate body temperature affects bone loss.