Terry Crews' wife, Rebecca King-Crews, has revealed she's been secretly battling Parkinson's disease since 2015. The couple made an appearance on the Today show Monday to discuss King-Crews' diagnosis and share details about a newly approved non-invasive surgical procedure she recently underwent to help manage the symptoms of the disease, a disorder of the central nervous system that mainly affects a person's motor functions.King-Crews, 60, shared that she's been living with Parkinson's disease for the last 10 years.