Red links with and stimulates the root chakra, at the base of the spine, causing the adrenal glands to release adrenalin. This results in greater strength. Red causes hemoglobin to multiply, thus increasing energy and raising body temperature. It is excellent for anemia and blood-related conditions. It loosens, opens up clogs, releases stiffness and constrictions. It is excellent for areas that have become stiffened or constricted.