I would suggest you stop worrying and get on with your biological imperative to reproduce your dna, only in slightly variated pattern to ensure parasites and vi

I would suggest you stop worrying and get on with your biological imperative to reproduce your dna, only in slightly variated pattern to ensure parasites and viruses are kept guessing. Also know that people have been grappling with this question for centuries and every doomsday prediction has turned out to be wrong. So there is cause for optimism.