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The brain produces its own "opioid-like" substances called endorphins.
Progesterone
A hormone released by the corpus luteum that regulates the condition of the endometrium.
Cortisol
A steroid hormone produced by the adrenal gland that regulates a variety of important cardiovascular, metabolic, immunologic, and homeostatic functions.
Prolactin
A hormone secreted by the anterior pituitary gland that stimulates milk production in mammals.
Anterior Pituitary
The front portion of the pituitary gland, responsible for producing and releasing hormones that regulate many bodily functions.
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