Sometimes, however, large doses of caffeine may slightly impair performance, but the general effect of the drug in mild doses is to help rather than to impair efficiency. It should be added, however, that caffeine is habit forming, and once the habit is acquired, people may show drowsiness, headaches, dizziness, and other discomforts factors that impair efficiency when they are deprived of their regular ration of caffeine.
Sometimes, however, large doses of caffeine may slightly impair performance, but the general effect of the drug in mild doses is to help rather than to impair efficiency. It should be added, however, that caffeine is habit forming, and once the habit is acquired, people may show drowsiness, headaches, dizziness, and other discomforts factors that impair efficiency when they are deprived of their regular ration of caffeine.
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