What is a kcal? How many should you have per day?

During the first industrial revolution two things happened:

  1. With the invention of heat engines, physicians had to find a way to define heat.
  2. It was a weird time to be alive.

So they invented the CALORIE (from Latin calor = heat) and decided that :

--

--

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