They can confiscate the abusive drug the person if using, or admit the person to rehab, or simply apply them for therapy. They can substitute the drug for something else like say it was a cigarette, you could instead use cigarette shaped candy’s. There are quite a bit of ways to help but those are just a few.
Most models can't incorporate all the details of complex natural phenomena. For example, when measuring distances around the Earth it's convenient to model the Earth as a sphere, but this doesn't incorporate variations in distance because of mountain ranges, valleys and other topological features the traveler must traverse. Incorporating these additional details would make the model too complex for easy use. Since models must be simple enough that you can use them to make predictions, they often leave out some of the details.
ALSO.
The conformation of molecules are based on probability. It fails to take into account the electronegativity of individual atoms. And it is ineffective in showing inorganic interactions with metals and such.
Protection- the cranium and ribs protect the brain and vital organs in the chest
Shape- gives shape to the body and makes you tall or short
Support- holds your vital organs in place when playing sports. The vertebrae column holds the body upright
Movement- muscles are attached to bones, which are joined. When the muscles contract, the bones move
Blood Production- red blood cells(to carry oxygen) and white blood cells(to protect against infection) are produced in the bone marrow of some bones