Phys Ed: Moderation as the Exercise Sweet Spot – NYTimes.com

More evidence that moderate exercise provides the main health benefits: 20 minutes per day of walking or moderate jogging. This should be manageable for most people and thus sets a realistic goal. Quote:

“To date, the data suggests that walking and light jogging are almost uniformly beneficial for health and do increase life span,” Dr. O’Keefe says. “But with more vigorous or prolonged exercise, the benefits can become questionable.

“I’m a fan of distance running,” he adds. “I run. But after about 45 to 60 minutes a day, you reach a point of diminishing returns, and at some point, you risk toxicity.”

His advice? The study by Dr. Lavie and his colleagues offers excellent guidelines for safe and effective exercise, Dr. O’Keefe says. “Twenty miles a week or less of jogging at a 10- or 11-minute-mile pace can add years to your life span. That’s very good news.” Indeed it is — especially since that routine happens to replicate almost exactly my own weekly exercise regimen.

“I wouldn’t automatically discourage people from doing more if they really want to” and are not experiencing side effects, like extreme fatigue or repeated injuries, Dr. O’Keefe continued. “But the message from the latest data is that the sweet spot for exercise seems to come with less.”

Phys Ed: Moderation as the Exercise Sweet Spot – NYTimes.com.

 

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