The body needs cholesterol to build healthy cells. ยท treatment blood removal medical professionals can treat hemochromatosis safely and effectively by removing blood from the body on a regular basis. Its also called hypertension. The causes of low blood pressure include dehydration and other serious medical conditions. It causes the bone marrow to make too many red blood cells. ยท overview cholesterol is a waxy substance found in the blood. Its important to find out โ€ฆ ยท a common blood test, the blood urea nitrogen (bun) test reveals important information about how well your kidneys are working. This is similar to donating โ€ฆ Your healthcare professional may ask you not to eat overnight before the test. ยท a standard blood test helps measure creatinine levels in blood, also called serum creatinine levels. But high levels of cholesterol can raise the risk of heart โ€ฆ ยท having too few healthy red blood cells causes tiredness and weakness. ยท sometimes, low blood pressure can be life-threatening. ยท polycythemia vera (pol-e-sy-thee-me-uh veer-uh) is a type of blood cancer. A bun test measures the amount of โ€ฆ ยท a blood pressure measurement over 180/120 mm hg is called a hypertensive emergency or crisis. ยท over time, these abnormal cells can crowd out healthy blood cells in the bone marrow, leading to fewer healthy white blood cells, red blood cells and platelets, causing the โ€ฆ These extra cells thicken the โ€ฆ ยท high blood pressure is a common condition that affects the bodys arteries. Seek emergency medical help for anyone with these blood pressure โ€ฆ If you have high blood pressure, the force of the blood pushing โ€ฆ There are many types of this condition.