How Do Our Bodies Respond to Dieting and Over Eating?How Do Our Bodies Respond to Dieting and Over Eating?

How Do Our Bodies Respond to Dieting and Over Eating

?How Do Our Bodies Respond to Dieting and Over Eating?

Have you ever spoken to a friend who has lamented how hard it was to lose weight? Despite watching their caloric intake with the eyes of a hawk, despite exercising and fighting to lose every pound, it seemed to take forever? And then, when they fell off the wagon, all that fat came rushing right back at a terrifying rate, making life seem so incredibly unfair? Why does that happen? Why do our bodies respond so slowly to dieting, but seem to love putting on weight when we overeat? In today's article we're going to take a brief look at the physiology of weight loss, and try to explain what's going on when you diet.

First off, envision what happens when you restrict your caloric intake. Your body immediately senses this, and decides that it has to response as if your life were on the line. To keep you alive, it decides to depress your metabolism, to lower your energy levels and increase your hunger. You feel less inclined to exercise, and your body puts into effect systems that protect your fat stores, making them harder to access and burn. At the same time, it preps everything so that should you begin to eat again, your body is absolutely ready to move everything into your fat stores, to regain everything it lost and basically reprime your body to resist another period of famine.

However, say you begin to over eat, say that you increase your caloric intake liberally and now have plenty of food at your disposal. What happens then? Your metabolic rate increases, you tend to have less of an appetite, you generally have more energy to exercise and it's easier to burn fat. So that should mean your body should be balancing out its fat gain and loss, correct? Wrong.

Remember, our bodies have evolved to keep us alive. During our history food has tended to be scarce, so our bodies have become excellent at gaining weight, but not so good at losing it. Those who were good at losing weight tended to starve when we ran out of food, while those who stayed fat tended to survive through these periods of famine. Toward that end, today we are still the same, able to put on fat efficiently in preparation for a period of famine, and hold onto it when hunger strikes. It makes losing weight absolutely difficult to do.

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