FULTON, Md. — At the Kennedy Krieger’s International Center for Spinal Cord Injury, if you want some cake, you're going to have to prove you can make it too.

WATCH: Kennedy Krieger Occupational Therapists help patients cook up a chocolatey treat Kennedy Krieger Occupational Therapists help patients cook up a chocolatey treat

Photojournalist Kristi Harper followed along as one of their occupational therapists tasked Sally with a chocolatey challenge.

"I had to do a day at a time."

Sally, though retired, is a teacher through and through.

“I was a biology teacher.”

But life has thrown a lot at her. Like multiple sclerosis.

Sally, "I've been dealing with it since '98. So now, this is a new challenge. Brain cancer."

She noticed some changes to her eyesight that just didn't feel right.

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