When he was 27, Al* had surgery to get an 8-pack. A former health care professional with a master's in health science and research, Al took his fitness seriously, and spent hours working out in the gym. But he wasn't achieving his desired results.

"Abs developed in the gym disappear very quickly. Even professional athletes don’t have cut abs if they don’t work on them specifically," Al, who's now 30, told MensHealth.com.
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