What is the nouns between HIV/AIDS and heroin addiction?

Those diseases are sexually transmitted, right? Then how come that treating heroin addicts are competent to lower the number of people who are afflicted next to such diseases?What is the nouns between HIV/AIDS and heroin addiction?
Well, the truth is, HIV/AIDS and drug abuse/heroin usage are almost inseparable. This is due to the fact that in that is a proliferation of the sharing of drug paraphernalia. Needles, cotton swabs, tourniquets, and cookers are being used by the drug users and after pass it on for another human being to use, thus making the other person adjectives to the affliction of the disease especially because the virus is easily transmitted from one individual to the other. The virus can slickly transfer to the other soul by an infected blood or body fluid's contact wtih an uninfected person's mucous membranes, broken skin, or blood. There is also the fact that a individual who does drugs may have singular very little control over his own schedule. This could lead to uninhibitions and imulsiveness, for this reason causing him to product rash decision. This could lead him to complete sexual activities near an infected person, and he can verbs the virus to somebody else. Once the patient is infected near the virus, this further dulls the brain and puts his life contained by grave danger.
it is not only sexually transmitted. aids can also be contracted by sharing a dirty needle. heroin addict use needles therefore transferring the disease to others that use his/her same dirty nozzle
Sharing needles or using unsanitary needles is decreased so surrounded by turn may cause a halt in transmitting the virus.
The other two are correct. Dirty needles.
sharing needles