If you can't take it, you won't make it.
There is a price to pay for accomplishment.
Medicine has changed greatly in the last decades. Widespread vaccinations have practically eradicated many illnesses, at least in western Europe and the United States. The use of chemotherapy, especially the antibiotics, has contributed to an ever decreasing number of fatalities in infectious diseases.
It is not the end of the physical body that should worry us. Rather, our concern must be to live while we're alive - to release our inner selves from the spiritual death that comes with living behind a facade designed to conform to external definitions of who and what we are.