Adrenal glands
Find out more about your adrenal glands, which sit on top of your kidneys. They make several important hormones, including adrenaline and cortisol.
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The role of cortisol in the body
Cortisol is a stress hormone with important functions. Find out what happens if you have too little or excess cortisol and about corticosteroid drugs.
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Congenital adrenal hyperplasia
Congenital adrenal hyperplasia affects your adrenal glands and causes imbalances in the levels of certain hormones. It can be mild or severe.
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Addison's disease
In Addison's disease the adrenal glands don't make enough cortisol and aldosterone. Read about symptoms, causes, diagnosis and treatment.
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Endocrine glands and their hormones
Find out more about the endocrine glands and hormones in your body, such as the pituitary gland, thyroid gland and adrenal glands.
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Adrenal fatigue
Adrenal fatigue is not a medical condition. It is a term used to explain tiredness. Learn what to do if you are diagnosed and when to see a doctor.
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Primary aldosteronism
Primary aldosteronism is a condition where you make too much of the hormone aldosterone — find out about the symptoms, causes and treatments.
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Cushing's syndrome
Cushing's syndrome is a hormonal disorder with a wide range of symptoms. Learn what causes Cushing's syndrome and why it is difficult to diagnose.
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Hormonal system
The endocrine (hormonal) system influences your metabolism, growth and other functions. Learn more about what it is and related conditions.
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Adrenaline
Adrenaline (epinephrine) is a natural stress hormone. It is also a medicine used in an emergency for severe allergic reactions (anaphylaxis).
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