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.
Why do adolescents take drugs? Adolescents experiment with drugs or continue taking them for several reasons, including: To fit in: Many teens use drugs âbecause others are doing itââor they think others are doing itâand they fear not being accepted in a social circle that includes drug-using peers. To feel good: Abused drugs interact with the neurochemistry of the brain to produce feelings of pleasure. The intensity of this euphoria differs by the type of drug and how it is used. To feel better: Some adolescents suffer from depression, social anxiety, stress-related disorders, and physical pain.
The most common reasons why college students use drugs and alcohol are: 1  Stress: Some college students have a hard time balancing their coursework, part-time jobs and time with friends. 2  Curiousity: Students may see their peers using drugs and alcohol and become curious to try new things, too.