Again, I must recycle an old article for this week. I do not know when I can resume writing. I am sorry for the delay.

They seem to be everywhere. Needles, or carelessly discarded used syringes, are supposedly found everywhere, especially where children play, and on beaches.
There is no doubt that carelessly discarded used syringes get into some very inappropriate situations. Nor is there doubt that such syringes are very dangerous because of their potential to inoculate innocent victims with communicable diseases.
However, credible and relevant information about such problems is scarce. This certainly is not because there is any deficiency of information. It is because the credibility and even relevance of available information is limited by certain predictable patterns in how it is discussed on social media. It is impossible to know what to believe.
These are a few examples:
All homeless people are blamed for all carelessly discarded used syringes. Are we expected to believe that all homeless people inject illicit narcotics? Furthermore, are we expected to believe that everyone who injects…
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