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According to experts, almost every school student has 2-3 diseases by the end of his or her studies. The fact is that only 10% of children finish school healthy. High study load often causes stress, eyes and stomach problems. Read some recommendations that [would|could|must|can] help stay healthy.

A child receives more than 80% of all the information through sight, so it's very important to train and protect it. The first point to consider is the learning time in front of the computer. It [should not|should|must|can] be over 30-40 minutes. When working with a computer, the distance to the screen should be at least 40 centimetres but no more than 1 metre. One more recommendation deals with light in the room. It should not be reflected from the screen. In addition to that, children [must|would|must not|should] work on the computer in complete darkness. Healthy diet with lots of vitamins and special gymnastics [needs|must|have to|can] also be helpful to keep the eyes healthy.

Another health problem many school students suffer from is called gastritis. It's a stomach disease caused by stress, unhealthy diet and skipping the mealtime. For a healthy stomach, every student [can|should|should not|cannot] keep a balanced diet, have three meals a day and not be nervous about his or her studies.

A doctor can always help to cure any disease, but it is easier to prevent than to treat.