An Elderly Man Wants to Start a Physical Activity Program

An elderly man wants to start a physical activity program to keep himself feeling good as he gets older. What nutrition adjustments should he make?

A) He needs to be careful not to increase calories because he may gain too much weight.
B) He will not be able to replace any muscle already lost but only stop further loss.
C) He needs to increase his intake of protein from meat to build muscle.
D) Increased basal metabolism from exercise will allow him to eat more food.