1. Cholesterol Is Essential for the Brain 🧠The brain needs a lot of cholesterol Even though the brain is only about 2% of body weight , it contains roughly 25% of the body’s cholesterol . This is because cholesterol is a key building block of brain cells. The brain mostly makes its own cholesterol , since cholesterol from the blood does not easily cross into the brain. What cholesterol does in the brain Cholesterol is not just a fat; it plays several critical roles: Builds
