Home > ADHD Glossary of Terms > Hormonal ImbalanceHairHormonal ImbalanceHormones are chemical messengers made by glands in the endocrine system and sent into the bloodstream. An imbalance happens when the levels of these hormones are too high or too low.Related termsAlopecia AreataAlopecia TotalisAlopecia UniversalisAnagen EffluviumAnagen PhaseAndrogenetic Alopecia← Back to full glossary