Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Evaluation of Phenotypic and Genetic Properties in Male Subjects Affected by Hypohidrotic Ectodermal Dysplasia
Brief Summary: The overall purpose of this study is to learn more about Hypohidrotic Ectodermal Dysplasia (HED) and to help in identifying treatment opportunities. Several evaluations will be conducted in this study: 1) the number of skin sweat glands you have and their ability to produce sweat; 2) your ability to grow hair; 3) the structure of your face compared to faces of people affected by HED; 4) molds of your teeth to see if and how they are different than people affected by HED.