What are the risks of using unsterilized needles?

Using unsterilized needles poses significant health risks, primarily the transmission of Infectious Diseases such as HIV, hepatitis B, and hepatitis C. Contaminated needles can introduce bacteria into the bloodstream, leading to serious infections and complications. Additionally, sharing needles can contribute to outbreaks of drug-resistant infections and increase the burden on healthcare systems. Overall, the use of unsterilized needles can have severe, long-lasting consequences for individual and public health.