Losing weight and keeping it off are two different things. Now researchers think they know why.
Researchers say behaviors that help people lose weight don't overlap much with those that help them maintain their new shape.
They investigated whether two distinct patterns and behaviors were associated with weight loss and weight loss maintenance. That included exercise, eating low fat protein and planning meals ahead of time.
They found little agreement between the two.
As a result, they have concluded that diet programs may need to guide participants differently to handle each specific phase.