In the stomach, food tends to hang around for a little longer and this depends on a variety of factors including the amount of food you have consumed, how much fat it contains, and also the acidity of the stomach. However, all food should have left the stomach within 2 to 4 hours.n the stomach, food tends to hang around for a little longer and this depends on a variety of factors including the amount of food you have consumed, how much fat it contains, and also the acidity of the stomach. However, all food should have left the stomach within 2 to 4 hours.
Episcleritis is a common condition. In most cases the problem is mild and vision is normal. The cause is often unknown. But, it may occur with certain diseases, such as: 1  Herpes zoster. 2  Rheumatoid arthritis. 3  Sjogren syndrome. 4  Syphilis.
Damage to your pancreas causes EPI. Some of the reasons this can happen are: Your pancreas gets inflamed often. It's called chronic pancreatitis, and it happens when the enzymes made by the pancreas start working while they're still inside it, before they get to the small intestine.