Has The Human Life Span Hit The Ceiling?

Human life spans have been increasing for decades thanks to advances in treating and preventing diseases and improved social conditions.
In fact, longevity has increased so much in recent decades that some researchers began to wonder: What is the upper limit on human aging?
“We never had so many centenarians as we have now,” says Jan Vijg, who studies molecular genetics at the Albert Einstein College of Medicine in New York. “Maybe we can actually live much longer than 100. May