By Mike DeNardo

PHILADELPHIA (CBS) — A walk next weekend aims to bring attention to a rare syndrome that results in learning disabilities, but an extremely outgoing personality as well.

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“It does bring up challenges, but there are also amazing, amazing beautiful gifts that come along with it.”

Erin Putman of Haddon Heights describes Williams Syndrome as a rare genetic condition characterized by developmental delays and a limited IQ along with cardiovascular and digestive problems, but also an extreme love of music and a complete lack of social inhibitions.

“They don’t understand stranger danger. They want to shake everybody’s hand. They want to meet everybody and interact with everybody.”

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Putman’s nearly four-year-old son Evan is among the 20,000 Americans with Williams.

A walk next Sunday morning, May 17, at Wilson Farm Park in Wayne is being held to raise awareness, and money for research.

(credit: Erin Putman)

(credit: Erin Putman)

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