Because ADD is recognized as a disability, your employer must make reasonable accommodations in the workplace to help you perform more efficiently. It's hard to say. When you were a child, you were dependent upon the adults in your life to recognize and resolve any problems you may have had. Boys are diagnosed with it more often, because parents focus on hyperactivity. We, as a society, often harshly judge people who are just trying to alleviate the symptoms of an undiagnosed disease.
Many alcoholics drink to combat anxiety.
Overeating is just another way of self-medicating. It is a compulsive behavior a person engages in to relieve anxiety. For some, the food is a means of stimulation. You'll find many people with ADD are caffeine and sugar junkies. They get a stimulating effect from increased heart rate and blood sugar.