The report shows that, while the use of traditional drugs such as heroin and cocaine seems to be declining in some parts of the world, prescription drug abuse and new psychoactive substance abuse is growing.
Drug abuse in Japan began after World War II and has been characterized by three epidemics of methamphetamine abuse; in addition, solvent abuse has been prominent for a long time.
This clinical trial shows that a daily tablet of tenofovir, a drug used to treat HIV infection, also reduced the risk of HIV transmission among people who inject drugs by 49%.