Cachexia is a state of involuntary weight loss. The latest generic definition states that aside from weight loss, patient needs to fulfill additional criteria to be diagnosed with cachexia. New, ...

Alzheimer's disease has a biologically based definition, according to criteria developed by an Alzheimer's Association workgroup. The new criteria include biomarker classifications and a revised ...

Add Yahoo as a preferred source to see more of our stories on Google. A new definition of obesity could nearly double the prevalence of U.S. adults with the condition, according to a study published ...

The consensus definition of severe sepsis requires suspected or proven infection, organ failure, and signs that meet two or more criteria for the systemic inflammatory response syndrome (SIRS). We ...

The DSM-5 broadens the criteria for anorexia nervosa, but will the expanded definition of the illness help catch those who need help before their disease progresses too far? A change in the way ...

A new definition of obesity could nearly double the prevalence of U.S. adults with the condition, according to a study published Monday. For decades, doctors have relied on body mass index (BMI) -- a ...