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What effect does caffeine have on driving, as considered by Tom?

Question Topic: Diet and driving ability (PCV CPC)

Saved Questions Question Topic: Diet and driving ability (PCV CPC)

Give one answer

Has no effect on alertness

Temporarily masks sleepiness

Permanently improves alertness

Reduces the need for sleep

← Why is water a recommended choice for drivers, according to Emily? Why does Tom prefer water for hydration while driving? →

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