Ukraine, like other countries in the Soviet Union, has in the past refused to admit it has a problem with intravenous drug use. Heroin addiction, for example, was seen as a Western problem.
But today drug use is so widespread it can no longer be ignored. As well as this, it's the main factor behind another harsh reality – that Ukraine has one of the fastest growing rates of HIV in the world.
In Ukraine the main way the virus is transmitted is by young men sharing infected needles. Our reporter in Odessa, Natalya Bakaeva, met Igor, a young man who's a drug addict and HIV positive. He talks about the risks he's taken in his life.