I think the author's point is since aging is related to physics, you're facing exponentially increasing problems[1]. This will make it much harder to make progr

I think the author's point is since aging is related to physics, you're facing exponentially increasing problems[1]. This will make it much harder to make progress against than the battle infectious diseases. (There were some similar articles a while back that focused on cancer specifically.) [1] As opposed to there being some biological effect that you could try to 'turn off'.