
Extreme heat isn't just uncomfortable, it can also cause a lot of harm -- angry days, sleeping issues, problems with your health and even death. Dr. Sanjay Gupta talks to Dr. Gaurab Basu, a Harvard assistant professor and climate change expert about the very real effects of extreme temperatures on the human body.
And the world will continue heating no matter what humans are doing. Depending of those actions the world will be heating a lot or it will hot but a little cooler, so take care with you health and the planet you are living on.