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Angina is chest pain caused by reduced blood flow to the heart muscles. It’s not usually life threatening, but it’s a warning sign that you could be at risk of a heart attack or stroke. With treatment and healthy...

A heart attack (myocardial infarction or MI) is a serious medical emergency in which the supply of blood to the heart is suddenly blocked, usually by a blood clot. A heart attack is a medical emergency. Call 999 and ask for...

Depression is more than simply feeling unhappy or fed up for a few days. Most people go through periods of feeling down, but when you’re depressed you feel persistently sad for weeks or months, rather than just a few days....

Diabetes is a lifelong condition that causes a person’s blood sugar level to become too high. There are 2 main types of diabetes: type 1 diabetes – where the body’s immune system attacks and destroys the cells that produce insulin type 2...

Achalasia is a rare disorder of the food pipe (oesophagus), which can make it difficult to swallow food and drink. Normally, the muscles of the oesophagus contract to squeeze food along towards the stomach. A ring of muscle at...