Minor hair loss is a normal part of the hair-growing cycle. Each hair lives about 4.5 years, falls out and is replaced in about six months. If your hair is falling out in clumps, certain lifestyle practices or changes may be to blame, but consult a physician to rule out underlying medical conditions.
Blood draw: Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Common term for blood sampling for laboratory analysis.
blood test. 1. a test of a sample of blood to determine blood group, presence of infection or other pathological condition, parentage, etc. âThe idea is that a blood test can be developedâand this was the first proofâto diagnose depression,â Redei told The Daily Beast.