/sci/ - Science & Math

>>16153098
>Hairs becoming a lovecraftian nightmare with their own mind and just taking over when you grow older
Damn, I wonder why that happens. Specially since so many old folks have issues with their head hair falling out, but then they have these thick ass hairs on their nose, ears, chest, and other body parts.
Seems like all these issues happen because the body becomes less elastic as we grow older, and we can't restore our tissues as effectively as we did when we were young. I'm particularly curious as to why DNA replicating gets worsened over time in us humans and most mammals, considering some other animals seem to have the ability to never lose that capacity to correctly restore their DNA, like axolotls for example.
I feel like one of the most worrying things about the future is Alzheimers and dementia becoming more and more common as we prolong our lifespans, but not manage to learn how to stop the accelerated aging we're experiencing, somehow.
>>16154039
Some of my dentists have told me throughout life that teeth fixing are not permanent and will not assure you that your teeth won't fall out. Hell, even root canals have a probability of making you lose your teeth in the future since the pulp's not in it providing fresh blood to the tooth anymore. It's more like trying to prolong it's useful life.
Is it common for nails to become uhh... Bendy, as you grow older, though? Or is that a me issue?