What is Calorie Counting?

What Is A Calorie?

When we talk about eating or exercising, we usually discuss in terms of calories. Restaurant menus will mention the amount of calories consumed in each meal. Treadmills indicate the amount of calories consumed. Dieters monitor calories each day during meals, while others declare that calories don't matter on weekends.

But what is a calorie in the first place?

"The calorie is nothing more than a measurement, just like inches or kilowatts," says Lauri Wright the assistant professor of nutrition as well as dietetics, at the University of North Florida and spokesperson for the Academy of Nutrition and Dietetics. "It just represents how much energy is contained in the food or how much energy is used by the body."

What's in a Calorie

When we speak of calories within our bodies and within our food, the issue is really kilogramcalories, Wright states.

A calorie is often described as a small calorie, is the quantity of energy required to heat 1 gram of water to one degree Celsius. There are 1,000 calories in a Kilocalorie or large calorie. It will determine how much energy is required to increase the volume of water in a kilogram 1 degree Celsius. From a scientific point of view, if we refer to "calorie" on nutrition labels or menus, and on calorie counters , they actually refer to kilocalories. (This article will employ "calories" to refer to "kilocalories.")

Researchers can figure out the amount of energy a particular fuel or food contains by burning it in a device that is known as bomb calorimeter. The heat created by the reaction can raise the temperature of water that is in the device. The amount of temperature change shows the amount of energy that the food contains as per Wright.

A bomb calorimeter. (Credit: MEDIAIMAG/Shutterstock)

Foods are packed with calories as proteins, carbohydrates and fats. Carbohydrates, which includes sugars, originate from fruits, vegetables and grains products. Protein is abundant in nuts, beans legumes and animal meat. Healthful fats come from the oils of plants, fruits and seafood, as well as vegetables.

Proteins and carbohydrates both have each 4 calories per gram. Meanwhile, fats have 9 calories per Gram, Wright says. In order to generate energy, the body converts these nutrients to glucose. Simple sugar powers every process in the body.about:blank

However, not every energy derived from these nutrients has the same quality however. Our bodies were made to use carbohydrates as energy sources in the words of Wright. Carbs are made up of numerous glucose molecules connected together in a way that can easily break down into energy units that are in a position to be broken into small units. Fats and proteins, however, are converted into glucose. This means that they are less efficient in the body.

Wright uses the human body as an engine for a luxury vehicle. A high-end car is usually designed to run on top-quality gas, which has an increased amount of Octane. If you add regular gas to the tank, the engine still runs, but not as well. The same is true for our bodies. The engine runs smooth on carbs, however, it is not as smooth on proteins and, more importantly, on fats.

This is the reason why Wright states that she as well as other nutritionists don't like the idea of ketogenic diets. "Those ketones are alternate energy, so it's almost like putting leaded gasoline in your engine," Wright claims.

Proteins and fats can be used in other ways within the body in addition to being energy sources, Wright says. Proteins like these are ideal for building muscle or antibodies to fight sickness. Omega-3 fats and monounsaturated fatty acids help your body to absorb vitamins and reduce the risk of developing heart-related diseases and diabetes type 2 at the Mayo Clinic.

It is vital to get your calories from a variety of sources. (Credit: Ekaterina Kondratova/Shutterstock)

Counting Calories

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On the whole, dietary guidelines suggest that an average adult woman consumes around two thousand calories each day, and men over the age of 2,500, Wright says. These numbers are merely an estimate of calories required, they differ from person to person she adds. The amount of energy your body needs contingent on many variables, including activity level and age, as well as size and height.

When you eat more calories than you're able to consume throughout the day and your body is able to convert the energy you've lost into muscles (short-term storage) or fat tissues (long-term storage). This is a defense mechanism when you're not eating enough to fuel your body. It will use the stored energy of the stores to supply fuel for. "The body once again is this amazing machine," Wright affirms.

Consuming too much energy can result in weight gain or health issues. One of the major causes for weight gain within the U.S., where obesity affects more than 93 million adults are the foods that are a source of "empty calories." Soda is just one, Wright says. It's not nutritionally beneficial and is stuffed with calories. If you are eating it, it's important to get maximum value you can for your money she suggests. Foods that contain calories in addition to other nutrients, such as vitamins, minerals proteins, fiber and vitamins.

In the end, calories aren't the enemy, Wright says. A lot of people who are trying to shed pounds are obsessed by the number of calories, but in reality, the real world, you should consider calories as a function of your individualized energy needs she suggests.

Whether you're making a list of calories or ignoring them they're just a measure of energy. Making the most of this energy is entirely up to you.