Adrenal fatigue, or adrenal apathy, is not supported by scientific evidence so is not considered a conventional illness by most healthcare providers. Those who have experienced it say illness, financial difficulties, and other personal crises can cause it. The adrenal glands rest on top of each kidney and produce hormones that regulate heartbeat, stress reactions, and digestive processes. If the adrenal glands are not working properly, then the correct amount of hormones is not produced, leading to exhaustion and weight loss. Alternative medical practitioners test for adrenal fatigue with blood or saliva samples and suggest lifestyle modifications for treatment.

Read full article here: What Is Adrenal Fatigue? What Causes Adrenal Fatigue?