Effects of low cortisol levels include fatigue, muscle weakness, poor appetite, weight loss and abdominal pain. Cortisol, an adrenal hormone that affects almost every cell and organ in the body, is responsible for helpin... More » Health Conditions & Diseases

When the adrenal glands do not secrete sufficient amounts of cortisol, it can lead to Addison's disease, states MedicineNet. Cortisol is a hormone that has many different functions in the body, such as regulating both bl... More » Health Conditions & Diseases

Symptoms of cortisol deficiency include weight loss, muscle weakness, fatigue, low blood pressure and darkening of the skin. Cortisol deficiency symptoms often begin gradually. Many sufferers are unaware of the condition... More » Health Pain & Symptoms
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Symptoms of Addison's disease include fatigue, muscle weakness, joint pain, darkening of the skin, salt cravings, weight loss and decreased appetite, as listed by Mayo Clinic. Sufferers may also experience low blood suga... More » Health Conditions & Diseases

The common symptoms of an overactive thyroid are weight loss, increased appetite, irritability, rapid heart rate and anxiety, according to the Office on Women's Health, whereas underactive thyroid symptoms include weight... More » Health Conditions & Diseases

Symptoms of adrenal insufficiency include muscle weakness and fatigue, weight loss, loss of appetite, hyperpigmentation and low blood pressure, according to Mayo Clinic. Other symptoms include hypoglycemia, nausea, diarr... More » Health Conditions & Diseases

Some of the symptoms of having a tapeworm include nausea, abdominal pain, diarrhea, fatigue, weight loss, hunger or loss of appetite, according to WebMD. Often there are no symptoms of a tapeworm infection. More » Health Conditions & Diseases