By TRISTAN HALLMAN

Special to the Star-Courier

NEW YORK — A decade ago, Melvin Chu was a student at the University of Texas-Dallas who didn’t care much about fitness.

“Mostly, I lifted a lot of weights in college,” said Chu, 30, a Plano resident. “When I say lift weights, I mean I threw up an occasional weight and ate a lot of fast food.”

But one day, he decided to change that.