During the long game all face a huge number of stressful factors. The situation depends on amount of power substances, in particular glucose, in an organism. There are two outcomes. In the first case the organism just does not manage to accumulate all useful substances and cannot maintain stable intensity of activity of a brain that leads to further recession of efficiency. In the second case the brain works optimum, but under the influence of various stressful factors that is very characteristic of poker, at an organism means for fight against them come to an end. To accept in food main courses and snack with the high content of glucose. It is important that after meal the player did not remain hungry as it can negatively affect the game – the shortage of food badly influences concentration. 5 simple secrets of healthy nutrition: 1. It is less than fat. 2. It is more than correct fats. 3. Avoid slow carbohydrates. 4. Use less vegetable oil. 5. Use less salt.