他因一种罕见皮肤病正在接受治疗。

He is being ___treated for a rare skin disease.

西医倾向于治疗症状而非病因。

Western medicine tends to ___treat the symptoms and not the cause.

我也曾为“红十字会”工作，所以我知道如何处理伤情，如果有人受伤。

I have also worked for the "Red Cross" so I know how to ___treat injuries, if someone gets hurt.