They do think of other ways. Unfortunately, those ways don't work or aren't as effective. There are hoards of researchers doing their best to come up with new techniques and methods in medicine. Once a viable one is found, they start it up at one or two hospitals, and slowly it spreads. New procedures are being implemented all the time. Trust me, as soon as a new method is found, it will be put into practice.
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As far as we can discern, the sole purpose of human existence is to kindle a light in the darkness of mere being.
-Carl Gustav Jung
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