Puzzles

People who share drug-injecting equipment put themselves at increased risk of developing HIV, hepatitis and other infections. It is thought that a third of the cases of HIV in the U.S. are due to injecting drug use and around 60-80% of injecting drug users are thought to be infected with hepatitis C. A team of researchers from Baltimore used a test similar to the puzzle Tower of Hanoi* to test the planning abilities of 225 injecting drug users...