I'm wondering if it is possible to have ADD considering I am 66 years old. I've always had difficulty with concentration, struggled in school and inability to focus. I've compensated for it by applying myself diligently to any task, and in spite of it have a strong work ethic, but nonetheless, it was/is still difficult. I'm also a great procrastinator, always have been. Otherwise, I'm in great health, always have been, take no medications other than a daily vitamin and am 5' 9" and weight 150 lbs. and have yearly checkups. Thank you.