The term "workaholic" was first coined in the late 1960s by psychologist Wayne Oates, who self-identified as one. Researchers have since worked to define workaholism and its toll on health and well-being. Experts estimate 10 to 25 percent of American adults are affected.
Related: How to Handle the Workaholic
But it's more than long office hours or weekend grinds—it's a compulsion to obsess over work, even when committed to family time. This leads to sleep issues, memory lapses, digestive problems, and higher risks of heart disease and type 2 diabetes. If work is encroaching on your life, take this quiz to assess your situation.