Health experts have warned of two telltale signs of a potentially deadly condition that can appear on the face. High cholesterol can be known as a “silent killer” due to the fact it typically does not display symptoms. It occurs when a person has too much of a fatty substance known as cholesterol in the blood. While a certain amount of cholesterol in the body is needed, having too much can be risky. This is because it can build-up in the blood vessels, causing them to narrow and even harden. It