North Georgia residents are invited to wear purple this weekend and walk the streets of Gainesville to raise funds and awareness for Alzheimer’s disease. The Walk to End Alzheimer’s will begin at 8 a.m. Saturday in the downtown Gainesville square. For more information about the association, visit alz.org or call 800-272-3900. Day-of registration begins at 8 a.m., and the program begins at 9 a.m. The walk will start 30 minutes after. In addition to the 3-mile walk, participants will enjoy music and a celebration at the downtown Gainesville square. Participants are asked to wear purple, the cause’s brand color. Register for the walk or donate.