In 1796, Dr. Edward Jenner carried out a mind-boggling experiment. Jenner developed the smallpox vaccine that would save countless lives worldwide.

Photo by Sara Kurfeß on Unsplash (inverted)

We’ll never know for sure how many times a vaccine saved us during our life span. However, let me assure you that this happened more often than you think.

Consider how life expectancy at birth in the United States increased from 47.3 years at the start of the twentieth century to 78,9 in 2019. Portugal shows an…



Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Rui Alves

Mindset Coach & Web 3.0 Digital Disruptor. Founder of Beloved and Rock n’Heavy: Exploring ideas that leapfrog ahead: 💡