What is a calorie? - Emma Bryce

We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need? Emma Bryce explains how a few different factors should go into determining the recommended amount for each person.

Others also watched

Why do some people struggle more than others to keep off the pounds?
It's not just your imagination -- you're more irritable when you're low on zzzzs.
The victory of the underdog. The last minute penalty shot that wins the tournament. The training montage.

Stay in touch!

 Facebook  Instagram  Linkedin  Whatsapp


Subscribe to our newsletter