Except for my dad who has been receding since his 30's every one else in my family seems to have their hair. In conversation with my dermatologist last week, he said my AA is genetic. He says the gene lives and has lived within me from birth. He says it's been dormant, but something triggered it. He continued to say, that in so many people that have a genetic predispositon, AA could stay dormant their whole lives, while in others in shows up in their teens...or after episodes of stress or…