We've added a new topic Hormone in How to Lose Weight

(adrenaline), a catecholamine-type hormone]] A 'hormone' (from Greek "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Endocrine hormone molecules are secreted (released) directly into the bloodstream, whereas exocrine hormones (or ectohormones) are secreted directly into a duct, and, from the du ...Hormone