significant - adj. large enough to be noticed or have an effect

lethal - adj. causing or able to cause death

youth - n. the time of life when someone is young : the time when a young person has not yet become an adult

trend - n. a general direction of change

withdraw - v. to stop spending time with other people

inclined - adj. wanting to do something or likely to do something

intoxicated - adj. affected by alcohol or drugs

association - n. a connection or relationship between things or people

exposure - n. the fact or condition of being affected by something or experiencing something : the condition of being exposed tosomething
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