Mark Trotter lost 158 pounds in three years . He applied scientific methods to his weight loss . What was his problem ? Lots of small steps , he says . Do you have a weight - loss story ? He ditched his credit card . Send it to CNN iReport .
Mark Trotter lost 158 pounds in three years . He applied scientific methods to his weight loss . What was his problem ? Lots of small steps , he says . Do you have a weight - loss story ? Send it to CNN iReport .