In 1843, the British statistician William Farr in comparison life expectancies in 3 aspects of England: rural Surrey, metropolitan London and industrial Liverpool. Farr found that people in Surrey were being making the most of life expectancies near to 50, a big enhancement over the long ceiling from the mid-30s. https://gvurmhf.blogoxo.com/26256526/manual-article-review-is-required-for-this-article