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Such health problems as poor eyesight, bad posture and stomach disorders are typical for school students. Here are some tips that[have to|need|must|can] help to maintain health during the study process.
Contemporary children spend much of their time in front of the computer or of some other electronic device, both for learning and entertainment. This time[should not|should|must|can] be limitless because of the bad effect screen light produces on eyesight. Needless to say that screen light is not enough for eyes. That's why students [must|would|mustn't|should] study in a dark room. The next point is the place where a child sits and does his homework. The seat (a chair or an arm-chair) [needs|must|have to|can] affect the posture in a good or bad way. The best choice here is a special chair for study designed with consideration to the growing body of a child.
Daily routine is much about discipline. But it also deals with healthy nutrition. In order to keep a student's stomach safe, one [can|should|should not|cannot] have at least three meals a day, preferably at the same time. Not any food is favourable both for body and brain activity. Food full of vitamins is the best friend especially in busy and stressful learning periods.
In fact, it's not such a difficult task to be dedicated to studies and monitor your health at the same time.