Once known as adult-onset or non-insulin-dependent diabetes, the chronic condition affects the way your body metabolizes sugar (glucose), your body’s main source of fuel, according to the Mayo Clinic.
“I went to the doctors and they said, ‘You know those high blood sugar numbers you’ve been living with since you were 36? Well you’ve graduated; you’ve got Type 2 Diabetes young man.’” the 57-year-old actor told Letterman.
Of the 25.8 million Americans who have diabetes, 7.0 million people have diabetes and don’t know it,” according to the American Diabetes Association.
Read more here about his condition at Celebrity Health & Fitness, why it could be life threatening and how he’s treating it.