A new treatment that blocks an aging-related protein restored lost cartilage in old mice and helped prevent arthritis after knee injuries. Human cartilage samples showed similar signs of regeneration, raising hopes for a future drug that could repair joints instead of replacing them.
People have been seeking life extension for all of recorded history.
And we’ve achieved some of it, or are you telling me giving birth in hospitals, vaccines, and working in air conditioned offices doesn’t extend life somewhat? People were also seeking powered flight for all of recorded history.
Most people are referring to the inherent genetic features of our biology that causes aging. Because we didn’t even know such a features existed until relatively recently. Before that was discovered we thought aging was just caused by all the crap life throws as us and it looked like all we had to do was just keep improving things to functionally have humans who live "forever. "So as far what I’ve heard from scientists, we’re at wall in this area because we still have no idea what the vast majority of the genome even does.