Interesting, I think all of those items have a good chance of actually happening ("longevity research" happening means some sort of meaningful progress).
I hope there will be some unexpected breakthroughs too.
As someone in their 30s who suffers from baldness and arthritis, two simple conditions yet no promising solutions in sight, I find it cute when people think we can somehow cheat death or aging in the next 300 years.
I hope there will be some unexpected breakthroughs too.