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Posts tagged ‘junk food’

Is food addictive part 2?

In our last post we talked about how certain foods can be addictive by producing chemical changes in our brain. We also saw that eating refined fatty meals makes us stop producing Leptin. Leptin is a hormone which signals the body to stop eating, but we also saw that the reverse can also happen. Meaning that if you stop eating the junk food and start eating healthy, the levels of those hormones return to normal, so there is hope. But what is eating healthy?

10,000 years ago, which may sound like a long time but it equals to only 1 percent of human history, most humans lived like hunter-gatherers. Back then we used to eat a lot of meat (this meat, contrary to what we eat now, contained much more protein), fish, fruits, leaves and seeds. We ate more than one hundred species of plant- most rich in vitamins, fiber and other nutrients. Fats and sugar were rare but we developed a craving for them because they contain lots of calories, which was important back then to survive. Thanks to our diet, and because we were always on the move, people were lean but whoever could store fat had an advantage. So we developed a predisposition for carrying fat on our bodies as well as wanting it in our foods. The problem is, back then it was difficult to get too much of these foods, now it´s the complete opposite. So not only do we get ¨addicted¨ to these foods when we eat them, we also have hereditary predisposition for wanting to eat them.

So I guess I´m not saying anything new about what is healthy eating. I think most people know what is healthy and what is un-healthy, the problem is people don´t do it. And now we know some reasons why that is. It´s the same thing with physical activity, most people know they have to move more but they don´t do it. They always use excuses like they don´t have enough time or that something hurts, ironically most of these problems are improved by exercise. Biologically we need exercise, but we don´t have strong instincts to engage in it. Before, physical activity used to occur automatically while trying to catch or find out food, now it´s not like that. Back then no one would just go for a run, that would be wasting precious energy and calories, you needed all the energy and calories you could have. Those extra calories could make the difference between life and death.

This blog just gets worse and worse, not only do we have a hereditary predisposition for wanting to eat foods with lots of calories, but once we eat them we get addicted to them – and to top that off I just said that we don´t have strong instincts to engage in sports!!! No wonder we are loosing against obesity and getting fatter and fatter every day. But there is hope, I have seen it, even done it!! You can fight back …… I won´t tell you what you have to do because I want to keep the secret to myself but I´ll give you a hint: It has to do with eating and moving.

In my next blog, we will continue with the third part of ¨is food addictive¨ by mentioning some interesting facts that most people don´t know. Until next time I leave you with the second part of ¨The men who made us fat¨ http://www.youtube.com/watch?v=owekbSp7wU0.

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