Mac's Hiking for Seniors 60+ in Utah Group: Join hereMac tells his story about dealing with knee osteoarthritis as a veteran, a retired police deputy, and now an avid hiker as he resides in Utah. He has knee osteoarthritis with a history of a knee replacement as well as hand osteoarthritis but he didn't let that stop him from hiking the grand canyon rim to rim. He has completed so many amazing hikes and says he likes to live a life from national geographic instead of just watching it. Learn h...