What is Calorie Counting?

What Is A Calorie?

When we talk about eating or exercising, we usually talk in terms of calories. Menus for restaurants will list the amount of calories consumed in each meal. The treadmills are able to show the amount calories that are burned. Dieters keep track of calories each day during meals, while others declare that calories do not matter during weekends.

But what is an calorie in the first place?

"The calorie is nothing more than a measurement, just like inches or kilowatts," says Lauri Wright associate 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 talk about calories within our bodies and within our food, the issue is actually the kilogramcalories Wright says.

A calorie, often known as a small calorie is the amount of energy required to heat 1 gram of water to 1-degree Celsius. There are 1000 of these calories in a kilocalorie, or large calorie. It determines how much energy it takes to raise a kilogram of water to one degree Celsius. From a scientific viewpoint, when we refer to "calorie" on nutrition labels or menus, and on counters for calories, they are in reality quoting kilocalories. (This article will use "calories" to refer to "kilocalories.")

Researchers can find out the amount of energy a specific food or fuel contains by burning it in a device called a bomb calorimeter. The heat that is generated by the reaction increases the temperature of the water inside the device. The amount of temperature change signifies the amount of energy contained in the food as per Wright.

A bomb calorimeter. (Credit: MEDIAIMAG/Shutterstock)

Foods contain calories in the form of carbohydrates, proteins and fats. Carbohydrates, which includes sugars, are mainly found in fruits, vegetables and grain products. Protein is in nuts, beans , legumes and animal meat. Healthy fats are derived from plant oils, fruits and vegetable oils, as well as fatty fish.

Proteins and carbs have each 4 calories per gram. Likewise, fats provide 9 calories per Gram, Wright says. To make energy, your human body converts those nutrients into glucose. Simple sugar powers the entire process within the body.about:blank

But, not all the energy produced by these nutrients is of the same quality but. The human body was designed to make use of carbohydrates to provide energy, as per Wright. Carbs comprise a myriad of glucose molecules that are connected in a way that our bodies can very easily break down into energy units able to be broken down into smaller units. Fats and proteins are converted to glucose. This means that they are less efficient within the body.

Wright likens the human body to an engine from a luxury automobile. A car that is of high-end quality is generally designed to run on top-quality gas, which has a higher amount of oxygen. If you inject regular gas into the tank and the engine continues to operate however it is not as efficient. The same is true for our bodies -- the engine can run well on carbohydrates, however, it is not as smooth on proteins, and especially on fats.

This is why Wright says she along with other nutritionists aren't a fan of keto diets. "Those ketones are alternate energy, so it's almost like putting leaded gasoline in your engine," Wright declares.

These proteins and fats could provide additional benefits to the body in addition to being fuel sources Wright says. Proteins, as such, are excellent for building muscles or for generating antibodies to fight illness. Omega-3 fatty acids and monounsaturated fatty acids can assist your body's ability to absorb vitamins and decrease the chance of developing heart disease and diabetes type 2 according to the Mayo Clinic.

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

Counting Calories

about:blank

Overall, dietary guidelines suggest that an average adult female consumes around 22,000 calories each day, and an adult man around 2,500, Wright says. While these figures are an estimation of calories required, they differ from person to person she adds. How much energy your body needs is dependent on several factors, like activity level and age, along with size, height and so on.

When you eat more calories than you're able consume over the course of a day then your body transforms the energy that it's lost into muscles (short-term storage) or fat tissues (long-term storage). As a defence mechanism, when you're not eating enough for your body, it will utilize the resources of these storage areas to provide fuel to. "The body once again is this amazing machine," Wright affirms.

Consuming too much energy could result in weight gain and health problems. One of the primary causes for overweight in the U.S., where obesity affects more than 93 million adults are the food items that have "empty calories." Soda is among them, Wright says. It's not nutritious and is stuffed with calories. If you are eating it, it's vital to get the maximum for the buck She suggests. Foods that provide calories in addition to other nutrients such as vitamins, minerals, proteins and fiber.

In the end, calories aren't the enemy, Wright says. Many people trying to lose weight are obsessed about the amount of calories they consume. However, in the real the real world, you should consider calories according to your individual energy requirements Wright says.

No matter whether you're making a checklist of calories or ignoring them it's just a matter of energy. Making the most of this energy is yours to decide.