It would be Alcohol, any drug use,eating unhealthy, smoking,lack of working out, lol basically having intercourse at a young age without any protection, also unintentional injuries or violence.
P.s to prevent most of these all you need to know is right and wrong and if you know these thing can have consequences then don't do them also keep your legs closed , for one of them its important to work out every now and then
I thinks it is C not sure hough
The answer is: [C]: "Calorie" .
______________________________________________
Note: The "capital "C"; which means "food calorie".
______________________________________________