When it comes to healthy eating, many people discourage using oils in foods. They believe oils of any kind can cause health issues and prefer using cooking techniques like air frying or baking to ensure they are healthy. However not all kinds of oils are unhealthy, many of them are made with good ingredients and are rich with nutrients and healthy fats. Why Do We Need Oils In Our Diet? If you are worried about increasing your body’s fat deposits and unhealthy weight gain, then switching to a healthier oil is a good option. Many oils have good fats, these are usually derived from vegetables, nuts, seeds and fish. Harvard Health Publishing explains that many oils that we use for cooking are Polyunsaturated fats, they are essential oils that your body needs to function. These are the components your body can’t make; hence we must consume them for smooth functioning. These fats are used to make the cell membranes and covering of nerves, helping us with muscle movements, inflammation and blood clotting. There are two main types of polyunsaturated fat, omega-3 fatty acids and omega-6 fatty acids. They help us lower LDL cholesterol and improve our cholesterol profile. So, what are some oils that can help us achieve this?Olive Oil Harvard Health explains that olive oil is a great source of monounsaturated fat. It can help your "good" cholesterol work better, which helps clear out "bad" cholesterol. Olive oil might also lower your risk of heart problems, reduce swelling, and even help protect against some diseases like Alzheimer's. The right way to use - You can use it on salads, in sauces, or drizzle it over your food after cooking. It is also the best oil to deep fry foods with according to a 2017 study. Coconut Oil (in Moderation) According to The Nutrition Source, coconut oil can be a good choice for cooking. It's mostly made of fats that don't break down easily with heat. Some studies suggest that people who eat coconut as part of their regular diet have less heart disease. However, not all studies agree it's great for your heart, so it's best to use it in small amounts. The right way to use: The best way to use it is for cooking at low heat and sautéing. Avocado Oil Avocado oil is full of monosaturated fats, according to Harvard Health. It might help keep your blood pressure and cholesterol at healthy levels. You can use it for all kinds of cooking, even high heat, because it doesn't break down easily. You can also use it on your skin for its good properties. The right way to use it: You can use to cook, add as dressing and as substitutes for baked goods like muffins.Walnut Oil Walnut oil is packed with good things like healthy fats and antioxidants, it is also a great source of omega-3 fatty acids. It might help your heart, keep your blood sugar steady, and lower your risk of some cancers. It has a nice nutty flavor that's great on salads and pasta, but it's best to add it after cooking because heat can make it taste bitter. The right way to use it: You can use it as salad dressings but not for cooking due to its low smoking point. Flaxseed Oil Flaxseed oil has lots of helpful things like omega-3 fats and fiber. It might lower your risk of heart disease and type 2 diabetes. It's best used in cold dishes like salad dressings because heating it can create harmful chemicals. Right way to use it: Use it in smoothies and as additions to foods like sauces and dips.Sesame Oil Sesame oil has a distinct nutty flavor and is a healthier choice than many other oils because it can help with swelling and has good antioxidants. It might even help with pain and swelling if you have arthritis. Use unrefined sesame oil for low to medium heat and refined for high heat. The right way to use it: Since it does not require a lot of heat, you can use it to saute vegetables and drizzle over other foods like salads.