Williams syndrome is a rare genetic condition that causes extreme friendliness. Living with it can be bittersweet. Since he was 5, Tobi Akbas has been nicknamed "the Mayor" in the affluent suburb ...

Supravalvular aortic stenosis (SVAS) is the major cardiac lesion of Williams Syndrome (WS). WS also has features of mental retardation (MR), characteristic facies and variable hypercalcemia in ...

But the rest of her world is not perfect. Gloria is affected by a rare genetic disorder called Williams syndrome. With an IQ of about 55, Gloria literally cannot subtract three from five or make ...