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By: Zinn Jeremiah

An unfortunate reality is that there are lots of overweight people, and this is especially true of the United States. In the US, roughly two-thirds of all people are overweight. Looking at that another way, two out of every three people in the United States is overweight. Putting it into actual numbers, you're talking about hundreds of millions of overweight people. Since people rarely want to be overweight, there's a lot of folks then who would like to achieve weight loss. Given this, it's certain that there's a lot of talk about weight loss methods going around.

One word that gets thrown about a lot when talking about weight loss is metabolism. Metabolism has become a generic term to a degree, but the guess here is that most people aren't genuinely aware of what metabolism refers to: simply that it has some role in a person's body weight. Metabolism is actually a set of chemical reactions that occur within living cells. Metabolism in fact allows cells to grow and reproduce. Referring to the term metabolism when talking about body weight regulation is overly broad. What actually affects body weight is calories, and more specifically, how many calories are consumed versus how many calories are burned in energy consumption.

Calorie is a measurement for the amount of energy a source of food gives the body. A food source with more calories provides the body more energy. More is not necessarily better however in the case of calories. Calories that are surplus to what the body actually needs for fuel will be stored, as fat typically. The significant issue for body weight then is how much calorie fuel a particular body uses. The answer obviously varies. An infant will need less calorie fuel than an adult will. But averaging things out, calorie fuel usage is determined by how much energy a person expends. Energy typically takes the form of physical exertion. The more physically active a person is, the more calorie energy they tend to burn.

Metabolism enters the picture with respect to body weight by what's called basal metabolic rate. Basal metabolic rate essentially refers to the amount of caloric energy a person burns while at rest. This is influenced again by how physically active a person is on average. The more active a person is generally, the higher their basal metabolic rate. The term metabolism then is not entirely accurate when discussing body weight issues. The more proper reference would be basal metabolic rate. But the notion of burning energy with exercise is accurate, and there's certainly a correlation between burned energy and a healthy weight.

Zinn Jeremiah writes about a number of different subjects. Get weight loss help at http://www.hubonline.biz/lose-now.htm or http://www.hubonline.biz/get-fit.htm .

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