The motivation that gets you started might not keep you going. Here's how to think about short term and long term exercise ...

You know you should develop a regular exercise routine, but you lack motivation. Promises to yourself are quickly broken, and you never establish enough of the workout habit to experience any rewards.

Dr. Grover Smith, right, works out with exercise scientist Dr. Irv Rubenstein, left, at STEPS Fitness, Wednesday, Feb. 12, 2025, in Nashville, Tenn. You know you should develop a regular exercise ...