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