Compare and contrast a high fat diet and a low fat diet. Describe how each diet affects the body.?

Instead, how about trying a diet that just fits your needs. You take in not just calories, but also vital building blocks which very often are either non-existent in low fat low carb crap or the chemistry is just messed up because ppl tamper with a complex substance they know a little about as they know little about the rest of the Universe.

Jesus made a very complex Universe, so very often even simple questions like yours have really complex answers.

You need to eat foods that have a lot of nutrition, but you are not going to get something for nothing. All the healthy foods like fruits and vedgies are going to have calories. There is nothing you can do about it. On top of that, you need some types of oils (these are lipids btw) that help out in brain function among other things. You also need proteins and you can't eat no calorie meat.

Well you get the picture of what I'm trying to get across.