When you’re trying to lose weight, what is the one food group that you automatically work to cut out of your diet? Fat, right? And, what happens when you do? You struggle.If you’re like most people, you find it very hard to stay away from foods that contain a lot of this particular substance. However, you may be glad to know that it has not as much to do with your willpower as you may think, and everything to do with biology.Why Humans Love FatFirst and foremost, you can blame your genes for some of your fat cravings. In times past, our bodies were conditioned to crave fat so that our ancestors would eat more of it when food was available, helping them sustain life during times when famine hit. So, in essence, you’re fighting years, decades, and centuries of what your body has learned to do in an effort to survive.Second, you do need some fat in your diet in order for your body to function normally. It helps foods go through your digestive system more easily, it also helps you feel fuller longer, making it easier to lose weight because you aren’t constantly fighting hunger pangs.Eat Healthy FatsThe key is to choose fats that are healthier for you so that they help your body versus harming it. “Good fats” have even been found to promote a healthy heart and lower your cholesterol levels, and some to consider adding to your diet are nuts, salmon, avocado, and olives. Just don’t overdo them, as keeping your portion sizes in check will help you take in just the right amount.Fats that you’re better off without include visible animal fat and skin, butter, full-fat cheese, whole milk, and vegetable oil. These particular fats have the ability to clog your arteries, putting you at higher risk of heart attack and stroke.How do you feel about fat? Does this article make you feel differently?