For relatively mild tension, eating chocolate can relieve tension, the reasons for the following two aspects: 1, eating chocolate can let themselves chew, especially oral movements, this time may be effective in relieving tension, anxiety, anxiety, emotional problems, so that their attention to the oral movements above, the same reason, especially nervous when eating chewing gum can also be effective in relieving tension 2, chocolate is a high heat, high sweet food, can effectively increase the supply of energy, let their mood become calm, while sweet food rich in monoamine substances, these can increase the level of 5-hydroxytryptamine in the central nervous system, while sweet food can also increase the central nervous system dopamine treat mechanism, this time can be through the neural pathway to relieve tension, while allowing yourself excited.