The Skeleton protects many vital organs.
The skull protects the brain, the eyes and the middle and inner ears.
<span>The rib cage, spine, and sternum protect the human lungs, human heart and major blood vessels.</span>
Being a living example of a tobacco-free lifestyle can: all of the above.
All of the listed options is an example of a tobacco-free lifestyle. It could certainly prevent others from trying to smoke, convince others to stop smoking, and make others around you more healthy.
The brain releases endorphins while exercising, the release of these endorphins tend to make people happy.