A deficiency of red blood cells or low red blood or Anema can cause fatigue and weakness. When a person has a lower amount of red blood than normal, consequently the body should work harder to gain enough oxygen to the cell. Here are The Low Red Blood Cell Count Treatment

A blood test is an examination of blood samples taken from the puncture of the fingers or through blood vessels in certain parts of the body, such as arms using needles. Blood tests aim to detect diseases, identify organ function, detect toxins, medications, or certain substances, and examine overall health conditions. Here are Why, When, Types, and Complete Bloodt Test Procedure