Daily exercising vs. once or twice a week

CBS Evening News—January 9, 2017

CBS Evening News with Scott Pelley reports on a new JAMA study that found that those who get the recommended weekly amount of exercise only during the weekends may see the same benefits as people who exercise daily.

The study found that those who exercise one or two times a week had a 30% lower risk of death and those who exercise three or more times a week had a 35% lower risk of death. Both groups got 2.5 hours of weekly moderate activity or 75 minutes of vigorous activity.

Dr. Jon LaPook speaks with Jordan D. Metzl, MD, primary care sports medicine physician at HSS, who notes that he prefers a "gentle warrior". If you do nothing all week then work out on the weekends, you may be at risk for overuse injuries. You should ease into your exercise.

"Exercise is the most powerful, safe, effective drug across the human condition," added Dr. Metzl.

Watch the full segment at CBSNews.com.


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