This information is important because many scientists discovered that exercising promotes chemicals in the your brain that bring up your mood and make you feel relaxed. When you exercise the brain releases chemicals called endorphin that make you feel good. Endorphins help depressed moods, which Andre seems to experience.
Answer: Scientists have done numerous studies showing that exercising promotes chemicals in the brain that better your mood and makes you feel more relaxed. Some of these chemicals are dopamine and endorphins. This can help the depressed moos that Andre seems to have.
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