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 wondered why some people seem to do very well on a diet

and exercise plan while others seem to fail when using that very same plan.

Much of this is due to the fact that everyone has a unique body type and a unique body shape

that will respond differently to a specific workout or nutrition plan. I spell all that out in

my book, Get Fit Guy's Guide, to Achieving Your Ideal Body. You can check that out at getfitguy.com.

But this week, a study hit the news that the way that your genes express themselves, also known as

your epigenetics, can predict whether a specific diet or exercise regimen will work for your body.

This is exciting because it means that at some point in the near future,

a simple salivary test, like 23andMe.com, might be able to tell you what kind of fat loss or muscle

gain program is going to work best for you. So, if all of this genetic fitness and diet

customization is a reality, what about the opposite

end of the spectrum?

Can your genes make you fat?

Is there such a thing as a fat gene or a genetic propensity for obesity?

Well, in this episode, you're going to learn the truth about fat and genetics and what you

can do about it.

Studies for the past decade have demonstrably proven a link between genetics

and a propensity for overweight or obesity. For example, one report looked at a UCLA study in which

researchers gave more than 100 genetic variations of mice, a normal diet for eight weeks,

followed by a high-fat, high-shore diet, aka a standard American diet, for another eight weeks.

Even though all the mice were eating the identical diet, their weight gain varied significantly.

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