Is there an optimal time of day for exercise?

Ask the doctors

Q. What's the best time of day to exercise to get the most benefit?

A. Some people swear by morning workouts, because they squeeze them in before a busy schedule can derail their efforts. Morning exercise sessions may also help them move into their day feeling energized. But others dread the idea of dragging themselves out of bed early to hit the treadmill. Instead, they save their workout until the end of the day, when they feel more limber and can unwind.

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