NEW YORK (CBSNewYork) – Next Saturday, thousands of people will put on purple laces and take steps to help find a cure for Lupus.

The chronic auto-immune disease affects about 1.5 million Americans and is most common in women ages 15 to 44. Women of color are reportedly at greater risk for the illness.

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Andrea O’Neill of the Lupus Research Alliance tells CBS2 the disease is very hard to diagnose, but one tell-tale sign of Lupus is a “butterfly shaped rash across the nose and cheeks.”

“Lupus can be managed. There are treatments however, many of them have serious side effects,” the organization’s executive director explained.

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O’Neill says next week’s New York event will raise over $1 million for Lupus research, but it will also be a fun event for children, with tie-dye and face painting stations set up as well.

The Walk to Cure Lupus starts on Oct. 13 at the Intrepid Sea, Air & Space Museum at 9 a.m.

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For more information on the walk, click here.