What Are Calories?
If you have been trying to lose weight lately, or if you usually try to eat healthy, you surely have at least a basic knowledge of calories; and of course, by “basic knowledge,” this means you know you need to burn calories to lose weight, and you need to eat fewer calories to keep weight off! But unless you understand calories fully, you will not be able to effectively manage your eating habits based on the calories you are putting into your body.
The thing that most people do not realize about calories - especially those people who do everything they can to eat fewer calories – is that your body derives energy from calories. You have probably noticed that any set of “nutrition facts” for food list the “daily percentage values,” and then mention that this is based on a 2,000 calorie diet. What this breaks down to mean is that - for people whose bodies require 2,000 calories per day – this is the daily percentage of each listed item their body needs. But this also means that everyone “needs” a certain number of calories each day, and it also means that some people need more calories than other people need.
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For each person, there is what is called the “basal metabolic rate,” which is the number of calories that person needs in order for their body to perform its basic tasks, such as breathing, pumping blood, staying healthy, and so on. Additionally, there are calories your body needs for “work” activity – in other words, activities that go over and above your body’s basic needs, such as walking or driving your car or playing sports or playing with your kids!
Lots of people go on “crash diets” and wonder why they feel so much more tired than they felt before, but one reason is because they are not getting enough calories into their body. Instead of spending all your time counting calories, you should find out which foods have good calories and which have bad; if you eat the healthy foods, you can get the calories you need for energy, and you can still keep off those pesky pounds!

