Key points from article :
Life expectancy gains rapidly have slowed since 2011.
It will take more than 12 years for people living in the UK to gain an extra year of life.
After so many years of gains, humans maybe are just reaching the upper limits of their lifespan.
Another explanation is that there hasn't been a big medical game-changer in the past couple of decades.
As people stop dying from one thing, another disease takes its place.
Research published by the journal Nature has claimed the limit age bar for extremely few people is around 115.
