How long can we expect to live?

It is nearly a century since the British monarch started sending anniversary messages to 'current citizens of [the monarch’s] realms or UK Overseas Territories' who reached the age of 100. In 1917, King George V sent a total of 24 celebratory messages to centenarians. By 1952 this had increased more than 10-fold to 255, and in 2011, it had increased nearly 40-fold to 9736.1 Where will it end?

Read the full article on life expectancy (requires a subscription to the British Medical Journal)