Human life expectancy has increased more in the last 50 years than in the previous 200,000 years of human existence. Here are 9 interesting life facts that you have to know about.
#1. More life forms living on your skin than people on the planet
Well the bacteria (and bug) population on our bodies reaches about 150 times the human population—meaning approximately one trillion nearly invisible parasites across more than 500 species are on our hair, skin, scabs, ears and much more right now.