<span> Organism- an individual form of life that is capable of growing metabolizing nutrients, and usually reproducing. </span>regardless of the organism being unicellular or multicellular.
If it is the abdomen and not the stomach area i would say its from the heat. if you've ever seen a dead animal on the side of the road over the course of a few days, they start to swell from the sun beating down on them all day.
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.