there is the pill, the patch, and the shot
weight training can build stamina, improves strength, makes you faster, and just overall boosts your health. some sports even use weight training as a practice. for example, boxing, football, rugby, etc.
Running or even swimming can prevent cardiovascular disease, but you have to do it regularly
Atmosphere
The ozone layer is part of the atmosphere, so to affect the ozone layer, the CFC’s must be released into the atmosphere.
Focus on yourself but not to the point where it’s selfish
