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 ...

An estimated 20,000 to 30,000 people in the United States have Williams syndrome, which is diagnosed with genetic testing. Learn more about the center on Penn Medicine's website.

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.

Ben Monkaba, 21, has Williams syndrome. He gravitates toward people, always eager to make them happy. "Most kids with Williams are the first ones to say to someone, 'Do you need a hug?

Indeed, individuals without either Williams or 7q11.23 duplication syndromes - that is to say, most of us - have a balanced gene dosage of GTF2I, and are neither hyper- nor hypo-social.

One of the nation’s first specialty centers for children and adults with Williams syndrome recently opened at the University of Pennsylvania, write Stephanie Stahl and Brad Nau for CBS News ...

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.