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Appendix B: Previous Recommendations on Caffeine
Pages 143-146

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From page 143...
... Its stimulant effects when compared with those of other drugs such as amphetamines are weak, but most studies to date suggest that it tends to delay sleep, reduce the deterioration of performance associated with fatigue and boredom, and decrease steadiness of the hands, particularly when performance is already partially degraded by repetitive, nonintellectual tasks. Less well understood are the effects of caffeine in reversing changes caused by sleep deprivation.
From page 144...
... At 12 hours postadministration, ratings for increased energy levels, decreased sleepiness, and jitteryness/nervousness remained elevated. Alertness, assessed by the modified multiple sleep latency test, also improved for 4.5 hours after caffeine administration, returning to 50 percent of rested levels when the highest doses were used.
From page 145...
... Further, women often do not realize they are pregnant and/or do not receive prenatal care until after the time period when most spontaneous abortions occur. Should the Army pursue further research in performance enhancement using caffeine products, these health issues must be carefully considered.


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