放血

Mars occidental in Cancer not beheld of Saturn, Jupiter, Venus, or Sun, makes a good phlebotomist.

火西入巨蟹未与土、木、、阳相照，利于放血。

People who give and receive tattoos, piercings, and scarification procedures can also be at risk of infection.

那些接受纹身、穿刺或放血疗法的人也有感染的危险。