naaf.org alopecia Alopecia areata National Alopecia Areata Foundation 6.8 million nearly 150 million people worldwide alopecia areata Alopecia Areata alopecia areata Alopecia Areata Foundation naaf.org National Alopecia Areata Foundation National Alopecia Areata Foundation alopecia-areata National Alopecia Areata Foundation Alopecia Areata Foundation alopecia National Alopecia Areata Foundation https://www.naaf.org/alopecia-areata female pattern baldness alopecia areata https://www.naaf.org/alopecia-areata 6.8 million people in the U.S. alopecia areata condition National Alopecia Areata Foundation alopecia alopecia areata https://www.naaf.org/alopecia-areata alopecia areata alopecia-areata alopecia areata female pattern baldness over 6 million people Alopecia areata Alopecia Areata alopecia aerate alopecia areata 6.8 million people in the U.S. alopecia naaf.org Alopecia Areta https://www.naaf.org/alopecia-areata alopecia-areata before the age of 30 Alopecia areata alopecia areata alopecia areata https://www.naaf.org/alopecia-areata National Alopecia Areata Foundation National Alopecia Areata Foundation alopecia Alopecia areata 6.8 million people in the U.S. alopecia areata National Alopecia Areata Foundation https://www.naaf.org/alopecia-areata alopecia-areata National Alopecia Areata Foundation parents alopecia areata Alopecia Areata https://www.naaf.org/alopecia-areata Alopecia areata small, coin-sized patches alopecia areata Alopecia Areata NAAF genetic alopecia areata Alopecia Areata Universalis alopecia areata Alopecia Areata Universalis alopecia-areata alopecia Alopecia Areata in the loss of hair on the scalp and body Alopecia Areata alopecia areata alopecia alopecia areata National Alopecia Areata Foundation National Alopecia Areata Foundation alopecia areata Alopecia Areata (AA)