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
OVERVIEW Arteriosclerosis occurs when the blood vessels that carry oxygen and nutrients from your heart to the rest of your body (arteries) become thick and stiff — sometimes restricting blood flow to your organs and