17. anxiety or stress eating too much, or too quickly consuming alcohol when eating gallstones swallowing excess air exercising with a full stomach stomach ulcers
19. We eat about 500kg of food per year Even before you eat, when you smell a tasty food, see it, or think about it, digestion begins. 1.7 litres of saliva is produced each day. When you do eat, the saliva breaks down the chemicals in the food so the food becomes easier for you to swallow