The hypothalamic–pituitary–adrenal (HPA) axis—the complex relationship between the hypothalamus, the pituitary gland, and the adrenals—is something that few people think about, or even know about. However, chronic daily stressors as well as serious life changes can cause problems with the HPA axis and lead to symptoms such as fatigue, trouble sleeping, allergies, weakened immune function, and food cravings, to name a few. Learning the facts behind HPA axis suppression (known as adrenal fatigue before the dysfunction was fully understood) can help in managing symptoms and restoring balance in the body.
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