Reader's Digest » How Much Exercise Do I Really Need? http://www.rd.com Tue, 28 May 2013 19:31:51 +0000 http://backend.userland.com/rss092 en-US How Much Exercise Do I Really Need? Most healthy people should aim for at least 30 minutes, five times a week, of moderately intense activity such as brisk walking, plus 10 to 15 minutes or…

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