5% -20% aku America atenga chimfine chaka chino, zomwe zimabweretsa kufa kwa anthu zikwizikwi. Kuwombera kwa chimfine kumateteza chimfine ndi 40% -60%. Pezani ziwerengero zambiri za chimfine apa.
Anthu ambiri amatenga mankhwala Lolemba. Koma amadzaza mankhwala osokoneza bongo a erectile Lachisanu. Fufuzani kuti ndi liti pamene ali otchuka.