For the examples given, health promotion would be the education of the public about substance abuse. They are putting the idea of substance abuse being bad in the public's head. Thereby, attempting to improve public health although, there's no guarantee.
Banning smoking in public places is a "health protection" because it's a physical act that is attempting to make the public health better.
Testing food if also a "health protection" because it's a physical way to make sure that people do not end up with foodborne illnesses or hepatitis' related to dirty food/soil/etc.
The fact that the cerebrum is still developing during adolescence explains why teenagers act the way that they do is because their brain cannot yet fully comprehend some of the things that they do.
It originated in China
It is highly contagious
It infects the lungs
It can cause permanent damage
Seniors are more prone to getting it