New Year, New You in 2015

PEOPLE's Half Their Size Winners

Diet, exercise and perseverance paid off for these success stories. See how they each lost more than 100 lbs.!


THEN: 263 LBS.
After the 38-year-old mom of three received a hypothyroidism diagnosis, a combination of thyroid medication and intense cravings for junk food resulted in a 100-lb. weight gain in four months. "One day I had to trudge through snow and I thought I was going to die," says Stauffacher, who runs a farm in Cuba City, Wis.