Polycystic ovarian syndrome is a condition that affects the way the ovaries work. It’s a very common condition, affecting up to 1 in 10 people in the UK, but more than half of those with PCOS will never experience any symptoms.

Parathyroid disorders lead to abnormal levels of calcium and phosphorus in the blood which can lead to health problems such as kidney stones and brittle bones.

Hypogonadism is when your sex hormones are low (testosterone in men and oestrogen in women) and could be due to a primary or secondary cause.

Metabolic syndrome is the medical term for a condition made up of several other health conditions including insulin resistance, obesity and high blood pressure.

Type 2 diabetes is a common condition that causes the level of sugar (glucose) in the blood to become too high. It can cause symptoms like excessive thirst, needing to pee a lot and tiredness. It can also increase your risk of getting serious problems with your eyes, heart and nerves.

Hyperparathyroidism is a disease that occurs when the parathyroid glands produce too much parathyroid hormone.

Pituitary disorders occur when the pituitary gland produces too much or too little of a particular hormone.

Type 1 diabetes is a chronic autoimmune condition that is treated with insulin and technologies such as insulin pumps and continuous glucose sensors.

Osteoporosis causes the bones to become brittle and weak, making them more fragile and susceptible to breaks.

Thyroid cancer is an uncommon but treatable type of cancer that may affect all age groups.

The adrenal glands sit above the kidneys and make several hormones, including the essential steroid cortisol.

Bone disorders such as osteoporosis, Paget's disease of bone and osteomalacia cause loss and weakening of the bone which can result in breaks and fractures.

Thyroid disorders disrupt the function of the thyroid gland that sits at the front of the neck and is responsible for producing metabolism-controlling hormones.

Diabetes is categorised into two types: Type 1 and Type 2, as detailed below. Type 2 diabetes is far more common than type 1.

High blood pressure (hypertension) is a very common condition and is often linked to endocrine conditions.