Life expectancy only increased significantly a hundred years ago or so. And contrary to popular belief, this change had little to do with modern medicine.
βThe most important thing is not medication; itβs sanitation,β Lieberman said. During the late 19th and early 20th centuries, people learned how germs worked and started doing things like building more sewers, boiling water for childbirth and making sure drinking water was clean. Countries also got better at distributing food, which decreased starvation, Vijg said. Subscribe to The Morning Email. Wake up to the day's most important news.
βWe can thank public health far more than we can thank medicines,β Lieberman said, noting that by the time antibiotic use became widespread after World War II, mortality rates had already plummeted. In 1870, the average person in Europe or America lived to their mid-30s. Life expectancy rose steadily from there, reaching 58 to 65 years in 1950.
Not that medicine has been useless. After sanitation, antibiotics and vaccines have been the biggest boons to life expectancy, partly because they fight diseases that became common when people started farming.
βTheyβve basically got us back to where we used to be,β Lieberman said, adding, βThe average person who walks in to see a doctor is seeing them for a disease that we didnβt used to get.β