Answer:
I think Vaccinations is the answer
The personal cost is the health of yourself.
The priority intervention is to use a different narcotic that counters the effects of the previously used one and this is called a narcotic antagonist. In this case, the narcotic that should be used is <span>Naloxone (Narcan), but that's just a brand name, other countries have probably different names for this narcotic because of their legislature.</span>
The second option would result in a pair of identical twins due to both of the children possessing the exact same genes since they both belonged to the same fertilized egg.
The most efficient way to eliminate waste is obviously to reduce. If we reduce the intake there wont be as much outtake.