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why is it important to know how many calories you need each day?

People absorb this energy from food and drink. If people consumed only the number of calories needed every day, they would probably have healthy lives. Calorie consumption that is too low or too high will eventually lead to health problems. The number of calories in food tells us how much potential energy they contain.

Explanation:

you may having too much sleep.. a good night sleep consists of about 7 hours. more than that could be the reason you're still tired throughout the day.

answerkingdom is the largest cateagory