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.
The drawing of blood from the fingertip, usually with a thin blade and a micropipette, for diagnostic testing. The American HeritageÂ® Medical Dictionary Copyright Â© 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company.