High cholesterol means there is too much fat in the blood. If left unchecked, fat can settle to blood vessels and block blood flow. This condition will cause a number of diseases, including hypertension and heart disease. To avoid various diseases due to high cholesterol, you need to keep cholesterol levels normal. High cholesterol or hypercholesterolemia that is left can make your blood vessels narrow and harden (atherosclerosis). This condition will make you vulnerable to various diseases. Various diseases due to high cholesterol Here are some diseases that occur due to high cholesterol: 1. High blood pressure High blood pressure (hypertension) occurs when the pressure in the blood vessels exceeds normal. One reason is the buildup of cholesterol which makes blood vessels constrict, so the heart needs to work harder and put extra pressure to pump blood. If left unchecked, over time the heart's performance will also be affected. 2. Coronary heart disease High cholesterol ...