The annual McMinnville MS Walk will be held this Saturday, Oct. 20, at 10:30 a.m. Registration can be made from now until the day of the event.“Walk MS is a simple, but incredibly powerful way, for you to share in the hope for the future,” said event organizer Heather George. “Be there, because every movement you make and every dollar you raise supports the mission to create a world free of MS.”Multiple sclerosis is an autoimmune disease that affects the brain and spinal cord (central nervous system). The disease affects more women than men.