In 1843, the British statistician William Farr compared life expectancies in 3 parts of England: rural Surrey, metropolitan London and industrial Liverpool. Farr identified that men and women in Surrey ended up experiencing life expectancies close to 50, a significant advancement in excess of the long ceiling from the mid-30s. https://nffbxsp.blog-mall.com/26662902/manual-article-review-is-required-for-this-article