Eat a little less than your real appetite. Squeeze air out of your system from time to time by applying slight pressure on your stomach cautiously. Air inside your system can cause a lot of problems. So it has to be forced out to keep you fit and fine. We are concentrating on maintaining health around the age of fifty because it is the age when people mostly get careless about their health, get used to eating spicy, oily and fried food items without caring the least for their health.