Caffein: Caffeine half life is about 6 hours. It means that after 5x6= 30 hours it is all out of your system, but you may develop withdrawal symptoms if you are a heavy coffee drinker and you stop drinking caffeine abruptly.
Answered 11/11/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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