1. Depression because they are more likely to do drugs in an attempt to escape from reality or make themselves feel better.
2. Peer Pressure because they may want to look cooler in front of their friends or family.
3.For fun or out of curiosity because maybe that person did not know the risks of it that they could possibly end up with lung cancer and die.
i think its C just thinking it would be
The flu is spread every 30-45 years since the 16th century, so we know when to prepare and how to do it. Also, we have learned where it will strike and the containment. Hope this helps! :)