C. Phobias are irrational fears about something. They are "irrational" because a person may fear something that would not logically pose any real threat or harm, such as fearing small spaces (claustrophobia) like elevators because one might feel like they are suffocating, even though elevators obviously do not cause people to suffocate.
Common risky behaviour
unprotected sexual activity. sexting and other risky uses of social media. tobacco smoking, alcohol use and binge-drinking. illegal substance <em>use.</em><em> </em>
