Doctors will tell you high blood cholesterol is bad for you HDL is good, LDL is bad, but cholesterol has been given a bad rap. Every cell membrane in our body uses cholesterol in their membranes to protect the cell, so free radicals bounce off of them rather than tearing into them. Our brain and the myelin in every nerve cell is cholesterol. If blood cholesterol is high, you need to find out why. It has to be because of damage to the circulatory system for the cholesterol to go there to REPAIR the damage.
I have also read that higher cholesterol, not blood cholesterol, in the elderly increases their life span.

True. Actually falls in line with everything they told us that was good, IS actually bad.

Vegetable fats, also known as vegetable oils, are extracted from plants and are often used for cooking. In addition, vegetable fats are found in some processed foods, such as margarine, salad dressings, mayonnaise, and cookies. The most widely known vegetable oils in everyday food preparation include soybean oil, coconut oil, olive oil and sunflower oil.
Today, refined vegetable oils are being used more and more popularly. They are extracted from plants through a chemical solvent process or using an oil mill. They are then cleaned, purified, or sometimes chemically altered.
The use of vegetable fats along with other fats, such as butter, is increasing rapidly. The consumption of vegetable oils has many benefits for heart health and is recommended as an alternative to sources of saturated fat, such as lard, butter, and animal fat in general. . This is because vegetable oils contain more polyunsaturated fats, which reduce the risk of cardiovascular diseases than saturated fats.

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I use coconut oil, olive oil, butter, bacon fat, and eat a lot of nuts. Staying away from veg oils, margaine & hydrogenated fats.