![“If you can stand up every 20 minutes — even if you do nothing else — you change how your body responds physiologically.” — Gretchen Reynolds [more exercise and fitness tips here]](http://25.media.tumblr.com/tumblr_m3rlq1Qj5s1qd9dz2o1_250.gif "“If you can stand up every 20 minutes — even if you do nothing else — you change how your body responds physiologically.” — Gretchen Reynolds [more exercise and fitness tips here]")
“If you can stand up every 20 minutes — even if you do nothing else — you change how your body responds physiologically.” — Gretchen Reynolds [more exercise and fitness tips here]
Fresh Air with Terry Gross. From WHYY. Peabody Award-winning weekday magazine of contemporary arts and issues. Tumblr curated by associate producer Nell Boeschenstein with contributions by associate producer Heidi Saman.
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