The Dangerous Disease That 25% of Men Over 40 Have (and Often Don’t Know It)

Your medical history might have some serious holes in it. Nearly 80 percent of people with a common liver disease aren’t diagnosed, finds a new study from Baylor College of Medicine.

In the study, researchers determined that participants had non-alcoholic fatty liver disease (NAFLD)—an often-symptom-free accumulation of fat in the liver—if their lab work showed persistently elevated liver enzymes and no indication of organ-damaging factors like hepatitis or excessive alcohol use.