Of those 90 percent, there is probably a much smaller percentage that consumes more than, say, 300 mgs caffeine daily. That also doesn't say much about the sev

Of those 90 percent, there is probably a much smaller percentage that consumes more than, say, 300 mgs caffeine daily. That also doesn't say much about the severity of the withdrawl symptoms. (Slightly drowsy? Persistent, intense headache?)