There are examples of computer overuse dating back to the earliest computer games. Many NetNews users were considered obsessive in the 1980s. With the widespread use of computers in the 21st century, it may be difficult to distinguish users who are "highly engaged" in their computer use from those who might be considered "addicted".
AIDS has already taken a terrible human toll, not only among those who have died but among their families and communities. Short of an affordable cure, this toll is certain to rise. Ninety percent of HIV infections are in developing countries, where resources to confront the epidemic are most scarce.
In the 1980s, China was undergoing the mintest changes. A woman from Britain talked to Chinese people through the TV sets. An emerging singing star became a pop music pioneer. An entrepreneur overcame numerous hardships to emerge as a powerful leader.
When mentioning drugs, people will immediately think of opium, heroin, marijuana, cocaine, etc. These drugs are mostly extracted from natural plants such as the poppy and the cannabis plant. They are called traditional drugs.