How many calories are in a food = how much energy the food will give you. One calorie is equal to the amount of energy it takes to raise "the temperature of 1 kilogram of water by 1°C at 1 atmosphere pressure." (dictionary.com) Not important, but interesting. So basically, the more calories you eat, the more energy you have at your disposal.
However, the TYPE of the calories you eat is much more important than the actual amount. One gram of fat has seven calories in it, more than any other type. Therefore, they give you the most energy. This does NOT mean that you should eat mostly fat! Fat calories give you energy for LATER, which is why fat sticks onto your body. Carbs give you energy for NOW, and once you have burned off all the calories from carbs you ate, your body starts to burn off its fat stores. That's how you lose weight.
Don't be fooled, though. This doesn't mean that it's a good idea to just not eat carbs so your body will go right to burning fat off. This kind of behavior traumatizes the body, leading to many different health problems. Fat is not meant to fuel you. It is meant to be there in case of emergency (which is another reason why it gets stored). Don't listen to Atkins people unless you want to become very sick.
Besides being backup fuel, fat is super important for your body. Your brain is made of mostly fat, believe it or not, and if you don't get enough fat in your diet your brain can become damaged. Also, natural oils like olive oil are important for your skin, hair, etc. If you want to look healthy, you NEED to eat vegetable fats. Animal fats are OK in moderation but is best to try to avoid them and eat only lean meats etc.
The WORST kind of fat is Trans fat, which is fat that has been added to a product artificially. Gross, I know. Fat that is supposed to be there is good, added fat is bad. For example, avocados are fatty, but it is naturally in them so it is OK for you. French fries are fried (obviously), so fat gets added into them, which is really bad for you.
2007-04-22 13:34:39
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answer #1
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answered by toph 2
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Fat calories are calories derived from fat sources, such as oils, butter, cream, nuts, etc
2007-04-26 08:39:32
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answer #2
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answered by Anonymous
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No the whole energy are 430, now not 540. This implies that one hundred ten energy out of the 430 energy are fats energy (the very dangerous energy that haven't any dietary importance whatever).
2016-09-05 20:31:58
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answer #3
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answered by elidia 4
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