Fastidious - Very attentive to and concerned about accuracy and detail.
Hormone - A regulatory substance produced in an organism and transported in tissue fluids such as blood to stimulate specific cells or tissues into action.
Neurological - Deals with the nervous system and disorders affecting it.
Endocrine - Relating to glands which secrete hormones or other products directly into the blood.
GERD - (Gastro-intestinal reflux disease) Digestive disorder where acid from stomach regurgitates back.