Final answer:
Abusing intravenous drugs like heroin can result in blood-borne diseases, physical illness, and addiction.
Step-by-step explanation:
Abusing intravenous drugs such as heroin can have serious consequences. One possible consequence is the contraction of blood-borne diseases like HIV and Hepatitis C. This can occur when contaminated needles are shared. Another consequence is physical illness, as intravenous drug abuse can lead to infections, collapsed veins, and damage to the heart and other vital organs. Lastly, intravenous drug use can also lead to addiction and further health complications.
Learn more about Consequences of abusing intravenous drugs