When it comes to muscle health, resemble a sirloin, not a ribeye
A 2000 study found that 32 to 44 percent of men’s body weight is made up of muscle. For women, it goes from 27 to 33 percent. But whatever your percentage of muscle mass, you want to make sure it doesn’t resemble a well-marbled ribeye. That indicates that it’s suffering from what researchers call muscle fat infiltration, or MFI.
Resear…