Cholesterol is a fat-like substance made by your body and also found in food. It is needed for good health, but too much can increase your risk of heart disease.
Statins are medicines used to lower cholesterol and are recommended for people at risk of cardiovascular disease. Here's how statins work.
Underlying causes of diarrhoea
Diarrhoea usually occurs when fluid cannot be absorbed from your bowel contents, or when extra fluid is secreted into the bowel. Find out what causes diarrhoea.