The cynic&#x27;s answer is that human health is something that really rich do not have much control over.  (SJ is just one shining example)<p>In other words you get billion dollars but realize it is all for naught as you will be worm food in 100 years.<p>So some go full Kurzweill, some find&#x2F;found religion, some do a bit of everything.<p>This problem is not unique to billionaires but they can attempt to roll a bigger rock up the mountain.