How do beta blockers work?

Your heart pumps blood around your body through a network of blood vessels, known as the circulatory system. Your blood then supplies the cells in your body with the oxygen and nutrients they need. If your doctor has prescribed you beta blockers, such as atenolol or bisoprolol, it may be because you have an abnormal…

What is a stroke?

A stroke is when the blood supply to part of your brain is cut off. This can cause your brain cells to become damaged or die. A stroke can happen to anyone and there are two main types. The most common is an ischemic stroke which happens when a blood vessel in the brain becomes…