Useing the bathroom you gotta go when ya gotta go
1. What it will do to help
2. Possible side-effects
3. How long this person will be taking it.
Your personal fitness is what you make of it. A physically demanding job can be beneficial if you also support it with a nutritious diet and maintain proper health. But if your job is physically active and you eat more than needed, it does not matter how much you are working, because you are still consuming more calories than you are burning.