The other issue (as mentioned in the article) is environment. For example I keep some drugs in a backpack that I regularly leave in a hot car. The drugs that we

The other issue (as mentioned in the article) is environment. For example I keep some drugs in a backpack that I regularly leave in a hot car. The drugs that were in the Pharmacy probably had near ideal conditions and didn't even move. Giving end users and consumers an algorithm to follow with regard to disposal simply would stand little chance of working in a practical sense. One size fits all is the way to go.