他们研究了平均年龄为60岁的200名患者，发现在减少膝盖疼痛的效果上，那些少量服用鱼油的病患是大量服用的病患的两倍。
They studied 200 patients with an average age of 60 and discovered that those on a low dose had double the reduction in knee pain of patients on higher doses.
为了减少穿刺时的疼痛感，日本大阪市关西大学的工程师们以蚊子的尖喙为模型创造出一种带有锯齿边缘的微小针头。
In the quest for a less painful needle, engineers at Kansai University in Osaka, Japan are creating tiny, jagged-edged needle modeled after a mosquito's proboscis.
许多的研究指出显著减轻了疼痛（以哭泣次数减少为衡量指标）。
Multiple studies indicate decreased pain as measured by significantly reduced crying times.
许多的研究指出显著减轻了疼痛（以哭泣次数减少为衡量指标）。
Multiple studies indicate decreased pain as measured by significantly reduced crying times.
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