+A **Hormone** is a chemical messenger, often produced by [Glands](/wiki/gland), that travels through the [Body](/wiki/body) to regulate various biological processes. These vital signals influence everything from growth and mood to metabolism and reproduction.
+## See also
+- [Endocrine System](/wiki/endocrine-system)
+- [Metabolism](/wiki/metabolism)
+- [Cell Signaling](/wiki/cell-signaling)
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