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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.