-Endocrinology is the science exploring the [Endocrine System](/wiki/endocrine_system) and its vital [Hormones](/wiki/hormone). It delves into how these chemical messengers regulate nearly every function within the body, from growth to mood.
+Endocrinology is the science exploring the [Endocrine System](/wiki/endocrine_system) and its vital [Hormones](/wiki/hormone). It delves into how these chemical messengers regulate nearly every function within the body, from growth and [Metabolism](/wiki/metabolism) to mood and [Reproduction](/wiki/reproduction). This field investigates the intricate network of [Glands](/wiki/gland) that produce and secrete hormones, studying their synthesis, storage, and physiological effects. It also explores the complex interactions between hormonal systems and other bodily systems, including the nervous and immune systems, leading to specialized fields like [Psychoneuroendocrinology](/wiki/psychoneuroendocrinology), which examines the interplay between psychological processes, the nervous system, and the endocrine system.