Welcome to the Get Fit Guys' quick and dirty tips to slim down and shape up.

My name is Ben Greenfield, and I'm the Get Fit Guy.

Have you ever heard that drinking cold water can help you to lose weight?

This is a popular weight loss theory that has had many weight loss enthusiasts chucking glasses of icy cold water

throughout the day, getting frequent and uncomfortable brain freezes, and then throwing their hands

up in despair when those pounds simply don't melt off as promised. But in reality, although it does go

far beyond simply sipping a cool beverage, there actually is some valid scientific evidence

that exposure to cold temperatures can help you to lose weight.

So in this episode, you'll find out if exercising in cold weather

helps you to burn more calories

and if cold temperature exposure helps with fat loss.

Let's talk a little bit about how body temperature actually works. On a TED talk video that I'll link to in the show notes over at getfitgai.com,

a NASA Materials engineer scientist named Ray Kronice discussed how to lose weight by exposing

your body to cold temperatures. Later, I actually hosted Ray and author Tim Ferriss on a podcast over

at Ben Greenfield Fitness.com to discuss how to manipulate your body temperature to burn more fat.

And I'll link to both of those in the show notes,

but in both these cases, you learn about thermogenesis,

which is your body's process of heat production.

So here's how it works.

Your body works best at an ideal temperature.

So when you get cold or you consume something cold, like ice water,

your body must temporarily increase the rate at which you burn calories in order to keep you

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