Joan MacDonald started going to the gym at age 70. Now she's a fitness influencer with 1.9 million Instagram followers and can hip thrust 235 pounds. She shared her tips for getting fit at any age.
"Today" host Al Roker says consistency and discipline help him stay fit at 70. Roker's routine includes weight training, walking 10,000 steps a day, and not avoiding his favorite foods. "Sometimes you ...