Nothing in the physical sense lasts. Finding the correct formula to exist in joy at this moment is everyone's desire. We have a choice. If we choose to have a fit mind and body, then we will probable get a longer, more enjoyable life span. No guarantees, but we increase the odds in our favor.
Regular exercise ensures strong lungs, heart and muscle tone.
Physical fitness amounts to twenty percent of our well being. Taking care of our thought process takes careful consideration. Leaving it to chance by allowing other wrongly conditioned humans to educate us is not to be recommended. Many people are in a constant sleep during their lives. They become transfixed in a zombie state of mind - accepting all types of do's and don'ts as the normal way to live.