These twins did the same workout for 3 months — but 1 exercised for half as long each time. By the end, they saw almost exactly the same results.

These twins did the same workout for 3 months — but 1 exercised for half as long each time. By the end, they saw almost exactly the same results.

msn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from msn.com Daily Mail and Mail on Sunday newspapers.