Inactivity will work in opposition to you, for sure. However realize the flip side of complete inactivity: over-training. Excessive exercise is an endeavor you wish to avoid. So many folks do no exercise or close to it, then experiment with some physical training–and then go utterly overboard, leaping into exercise “boot camps,” working their our bodies into the bottom and struggling overuse injuries. Please do not subscribe to the lunacy of making an attempt to make up 2 or 5 or 15 years of inactivity in a month.
Surely you’ve heard the saying “an apple a day keeps this physician …