• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Some 200 million people, or 5 percent of the world's population aged 15 to 64, use drugs at least once a year. The number of opiate users is estimated at around 16 million (11 million of which abuse heroin), while the ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles