Williams Syndrome is a rare genetic condition -- so rare, in fact, that few people have ever heard of it. Of about 7,500 newborns, only one will have it. But that one, should you ever meet him or ...

Her twins' Williams syndrome diagnosis made her angry and scared at first. Now she sees the disorder's positive traits, like being happy all the time.

Christopher Knight tells PEOPLE about his experience working on the documentary 'Truelove: The Film,' which features individuals with Williams Syndrome. The movie, which centers around the ...

With the right kinds of early intervention, people with Williams are able to thrive. This center will help assure that can happen and look for better treatments and new hope for brighter futures.