Certain hormones called androgens are an additional factor in causing acne. 有一种激素叫做雄性激素，是另外一种痤疮的诱发因素。
Voyage, the seafarer should be a predisposing factor to reduce the seasickness, which can effectively delay the occurrence of seasickness and alleviate symptoms. 远航时，海员应注意减少晕船的诱发因素，这可以有效地延缓晕船的发生和症状的减轻。
