He succumbs to hypothermia, with no one being able to help since (a) he was a drunken Jerkass fan that alienated others, and (b) the blue from his body paint covered up the fact that his actual skin was turning blue
Canker sores, for example, are often linked to stress or hormonal fluctuations
Percocet mainly
Most of the chemicals were irritants and harmful, and three (limonene, strawberry glycidate_A and strawberry glycidate_B) were both irritants and dangerous to the environment
According to Ken, running gave him something else to focus on (instead of smoking), and it made him feel well, which encouraged him to run even more and stop smoking for good
This would encourage adult smokers to switch to vaping as a likely less toxic alternative yet discourage youth use since they are the most price sensitive