Asthma is due to constriction and inflammation of the small airways. In asthma there is a special type of inflammation which narrows the small airways and makes them 'twitchy' and very sensitive to any environmental changes. The airways also become blocked with sticky mucus.During an asthma attack breathing becomes harder, even at rest. There may be a cough or wheezing.n asthma there is a special type of inflammation which narrows the small airways and makes them 'twitchy' and very sensitive to any environmental changes. The airways also become blocked with sticky mucus. During an asthma attack breathing becomes harder, even at rest. There may be a cough or wheezing.
Common reasons teens abuse drugs include: 1  Curiosity. 2  Peer pressure. 3  Stress. 4  Emotional struggles. 5  A desire to escape.
Typically, school and relationships, notably family relationships, are among the life areas that are most influenced by drug use and abuse. One of the most telling signs of a teen's increasing involvement with drugs is when drug use becomes part of the teen's daily life. Teen Drug Use and Abuse Prevention: Gives parents information on drugs, as well as how to talk to their teens about certain substances. 2  Tips 4 Youth: Details reasons why smoking is such a health risk, as well as how youth can find help to quit smoking.