It doesn't just affect you.
Should You Shower BEFORE or AFTER a Workout?
How Long Does It Take to Get Fit Again? - The New York Times
Exercising days, weeks and months: How your body changes
Why Gym Selfies Are Good, Actually
The Ultimate Body Recomposition Circuit Training Workout - Muscle & Fitness
Single Set Training: Pros, Cons, and How-To
Here's how to structure a gym workout
Can You Work Out the Same Muscle Two Days in a Row?
Is it a bad idea to go to the gym 3 times in one day? - Quora