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Moderate coffee drinking is safe, and three to four cups a day may have some health benefits, according to a large review of previous studies, in the BMJ. 据对《英国医学期刊》以前的研究的大量回顾发现，适量的咖啡是安全的，每天三到四杯可能有一定的健康益处。 Too much coffee during pregnancy could be harmful, the review confirmed. 该回顾证实，怀孕期间喝太多的咖啡会对身体有害。 Experts said people should not start drinking coffee for health reasons or to prevent disease. 专家称，人们不要为了身体健康或者预防疾病而开始尝试喝咖啡。 | 
