Changes

A narcotic is "an agent that causes insensibility or stupor; usually refers to [[opiods]] given to relieve pain."<ref>http://www.cancer.gov/Templates/db_alpha.aspx?CdrID=44691</ref>

A narcotic is an agent that causes insensibility or stupor. It usually refers to [[opiods]] given to relieve pain.<ref>[http://www.cancer.gov/Templates/db_alpha.aspx?CdrID=44691 National Cancer Institute]</ref>

Although in popular usage "narcotic" is often used to refer to most any illegal drug, strictly speaking the term "narcotic" can only be applied to substances that induce "narcosis", or a sleep/dream-like state.  Examples include legal drugs such as [[morphine]] and [[codeine]], as well as illegal drugs such as [[heroin]] and [[opium]].

Narcotic is often used to refer to most any illegal drug, though strictly speaking the term can only be applied to substances that induce ''narcosis'', or a sleep/dream-like state.  Examples include prescription drugs such as [[morphine]] and [[codeine]], as well as illegal drugs such as [[heroin]] and [[opium]].

==References==

==References==