Hormones
Hormones control many body functions including reproduction, metabolism, blood pressure and our stress response. Learn more about the hormonal system below.
Adrenal glands
The adrenal glands produce hormones that control your blood pressure, metabolism and your body's response to stress. Learn more here.
Adrenaline
Adrenaline (epinephrine) is a hormone that allows quick reactions in stressful situations. It is also used to treat anaphylaxis. Learn more here.
Cortisol
Cortisol is a stress hormone with many important functions. Find out what happens if you have too little or excess cortisol and about treatments.
Endocrine glands and their hormones
The hormone system is the way in which one part of the body tells another part of the body to do something important. Find out more here.
Follicle stimulating hormone
Follicle stimulating hormone (FSH) is important in the functioning of the reproductive system in both men and women. Find out more here.
Hormonal medicines and periods
Some forms of hormonal contraception (for example the oral contraceptive pill, hormonal IUD, and injection) may affect your menstrual cycle.
Hormonal system
The hormonal system influences your metabolism, growth and many other functions. Learn more about what it is and related conditions here.
Hormone replacement therapy (HRT)
Hormone replacement therapy (HRT) is the name for a number of hormone therapies that can be used to treat the symptoms of menopause.
Human growth hormone
Human growth hormone is a small protein that travels in the bloodstream to stimulate growth. Learn more about its medical uses.
Insulin and diabetes
Information about insulin and diabetes, storing insulin, taking insulin, and what to do if you run out of insulin or it is out of date.
Melatonin
Melatonin is a hormone produced in the brain. It controls the body’s night and day cycles. Learn more, including how levels can be adjusted, here.
Oestrogen
Oestrogen is a female sex hormone with many roles, including controlling puberty and strengthening bones. Too much or too little can cause problems.
Oxytocin
Oxytocin is a hormone that makes you feel love and trust. Understand the role of oxytocin and find out if you can adjust the levels in your body.
Pancreas
The pancreas is a vital organ that helps the body to digest food and control blood sugar levels. Read about its role and how to keep it healthy.
Parathyroid glands
The parathyroid glands are four small glands, each about the size of a grain of rice. Learn about what they do and related medical conditions.
Pineal gland
The pineal gland is a very small gland in your brain and it is part of the body's endocrine system.
Pituitary gland
The pituitary gland makes different hormones, some that have direct effects on the body and others that control other endocrine glands.
Pituitary hormones
Pituitary hormones are sent to other glands in the body to instruct them to produce hormones based on the body’s needs. Learn more here.
Testosterone
Your testosterone levels can vary depending on your sex, age and health. Learn more about low testosterone, possible causes and symptoms.
Thyroid gland
The thyroid is a soft bow-shaped gland which sits in the front of the neck, just below the Adam’s apple. Learn more about what they do and medical con...
