Predictors of Alzheimer’s vs. the Hammer of Witches
Matthew L Baum
Round 1: Baltimore
I first heard of the Malleus Maleficarum, or The Hammer of Witches, last year when I visited Johns Hopkins Medical School in Baltimore, MD, USA. A doctor for whom I have great respect introduced me to the dark leather-bound tome, which he pulled off of his bookshelf. Apparently, this aptly named book was used back in the day (published mid-1400s) by witch-hunters as a diagnostic manual of sorts to identify witches. Because all the witch-hunters used the same criteria as outlined in The Hammer to tell who was a witch, they all –more or less- identified the same people as witches. Consequently the cities, towns, and villages all enjoyed a time of highly precise witch wrangling. This was fine and good until people realized that there was a staggering problem with the validity of these diagnoses. Textbook examples (or Hammer-book examples) these unfortunates may have been, but veritable wielders of the dark arts they were not. The markers of witchcraft these hunters agreed upon, though precise and reliable, simply were not valid.
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