原文 (英语)

INTRODUCTION. The real influence of the intoxicants and narcotics in common use has been a matter of fierce and prolonged controversy. The most opposite opinions have been set forth with ability and earnestness; but the weight they would otherwise carry is lessened by their mutually contradictor-y character. Notwithstanding the great influence of the physician's authority, people are perplexed by the blessings and bannings bestowed upon tobacco and the various forms of alcohol. What