Four centuries (14th-17th) of 'dancing mania' in Europe has been widely, hypothetically blamed on 'poisoning' by the ergot fungus from rye bread (which is not v

Four centuries (14th-17th) of 'dancing mania' in Europe has been widely, hypothetically blamed on 'poisoning' by the ergot fungus from rye bread (which is not very popular anymore). Certainly, in the 17th century 'ergotism poisoning' caused tens of thousands of deaths in France, and large afflictions in Russia. https://en.wikipedia.org/wiki/Dancing_mania https://en.wikipedia.org/wiki/Dancing_mania https://en.wikipedia.org/wiki/Ergot https://en.wikipedia.org/wiki/Ergot