A Varsity Sprinter Is Considering Taking Caffeine Pills Before Competition

A varsity sprinter is considering taking caffeine pills before competition to enhance his performance. What will you tell him about caffeine?

A) Caffeine provides no performance benefits for any type of athletic event.
B) Caffeine helps dilate blood vessels to increase blood flow to the muscles.
C) Caffeine is a bioactive compound and does not have any adverse effects.
D) Caffeine causes headaches, trembling, and an abnormally fast heart rate in high doses .
E) Caffeine causes diarrhea, nervousness, irritability, headaches, and dehydration in small doses.

Correct Answer:

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