The question of how long humans will live in the future is being explored, with some experts suggesting that advances in bio technology could lead to significantly increased lifespans. However, others report that life expectancy gains are slowing despite medical advances, and some research suggests that certain factors, such as dna analysis and lifestyle, may play a role in determining who lives to be 100 years old. The outlook for human lifespan in the future appears uncertain, with varying predictions and factors at play.