The rare disorder that could hold the secret of what makes us who we are

They're the happiest friendliest most loveable people you're ever likely to meet Just being around them is a joy an absolute delight - but something's wrong here They suffer from a rare and baffling genetic disorder called Williams Syndrome what the scientists call 'a beautiful mystery' The 'Willies' as they're affectionately known also have low IQs but the amazing thing is they can teach the rest of us a thing or two They could just hold the key to that age old argument of nature versus nurture - the secret of what makes us the way we are

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