A calorie deficit can be created by consuming fewer calories than the body's maintenance calories. Reducing the body's daily calorie needs can lead to weight loss over time.

If you have listened to health experts talk about weight loss, you must have heard that a calorie deficit is required to achieve weight loss. You might have wondered what a calorie deficit means.

This article will explain what a calorie deficit is, how it affects weight loss, how to create a calorie deficit and how to calculate daily calorie needs.

What is a Calorie Deficit?
A calorie deficit occurs when an individual consumes fewer calories in a day than the number of calories they burn.
To function each day, the body needs to burn a certain number of calories. The number of calories an individual needs every day is called maintenance calories. An individual's maintenance calorie will depend on factors like:
Age
Sex
Height
Weight
Physical activity levels
Body composition

There are three ways of creating a calorie deficit. An individual can create a calorie deficit by increasing the level of physical activity. Another way to create a calorie deficit is by reducing the number of calories consumed; a person can also create a calorie deficit by doing both.

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