All you have give up for this is tightly-packed arithmetic statements, like this:
5*5-3
Instead, you have to give your tokens some breathing room:
5 * 5 - 3
Yes, but in this case it's not about readability, but about extremely significant whitespace. Forgetting a space and your code has a totally different meaning.
Or maybe those who look younger haven't needed the protection of aging because they've accumulated much less DNA damage in their lifetime (because of low sugar diet, slow basal metabolic rate, etc.), and less DNA damage = lower incidence of cancer.