Past studies may have found a link because the women involved ate whale meat, which has five times the mercury concentrations of the more common ocean fish consumed in the Seychelles.

• 过去的研究认为已在两者间找到关联，是因为以前的研究对象包含了食用鲸鱼肉的妇女，而鲸鱼肉所含的的汞浓度比塞席尔人日常吃的普通海洋鱼类要高上五倍之多。