ANecdotes are fun and all that but they are not evidence of anything.
Of course, the process of aging is one of them, because as you get older, you not only get uglier haha but you also become less capable, always on a downhill until you die.
This is fallacious on the face of it. Are you saying that a 3 year old has gone downhill form a newborn? How do you define downhill?
Knowing that the DNA code, if left replicating on its own, will break down and go 'downhill', it is rather 'Can natural selection effectively turn that tedency from downhill to uphill?
Evidence please and again define downhill.
Facts don't lie or have an agenda. Facts are just facts