Final answer:
One of the '3 Ms' that assist efforts at weight loss maintenance is Monitoring. It involves keeping track of food intake and exercise to ensure proper energy balance.
Step-by-step explanation:
One of the '3 Ms' that assist efforts at weight loss maintenance is Monitoring.
Monitoring food portions and energy consumption is crucial for maintaining weight loss.
It involves keeping track of the calories consumed and expended through daily recording of food intake and exercise.