The war on drugs will likely always be an ongoing problem as users will continually seek their next fix. Law enforcement works to keep up with who is selling what drugs and where, but top drug dealers move frequently to avoid detection. The war involves efforts by law enforcement to stop drug dealing and use, while dealers work to evade the law and users seek their next high. Some argue the war has been a failure as drug use remains prevalent, though rehab programs can help many addicts recover.