Final answer:
Depressant drugs affect driving by slowing communication between the body and brain, leading to impaired coordination and increased risk of accidents.
Step-by-step explanation:
Depressant drugs primarily affect driving by slowing communication between the body and brain. They depress or slow down the activity of the central nervous system, resulting in relaxation, drowsiness, and reduced coordination. This can impair a person's ability to drive safely and react quickly to changing road conditions, leading to increased risk of accidents.
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