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.

READ MORE: 2 Montgomery County School Districts To Require Masks Again Due To County's COVID-19 Level

“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.”

READ MORE: Pennsylvania's US Senate Race Between Republicans Mehmet Oz, Dave McCormick Still Too Close To Call

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)

MORE NEWS: CAPA Senior Skyy Brooks Is One Of 20 Students In World Accepted Into Harvard-Berklee's Dual-Degree Program

For more information, visit: