The Hidden Disease of the Middle-Aged

Liver disease is on the rise among middle-aged Americans, but many don’t know they have it—or that they could develop it. The liver performs critical jobs, including cleaning toxins from the blood, storing energy and nutrients, digesting fats and processing medications, alcohol and food. But a host of ills and abuses can wreak havoc on the liver, from heavy drinking and infection with hepatitis B or C to a scourge known as fatty-liver disease linked to di