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His nervous breakdowns were attributed to ingestion of chemical substances (he was experimenting with alchemy) http://en.wikipedia.org/wiki/Later_life_of_Isaac_
by return0 12y ago
His nervous breakdowns were attributed to ingestion of chemical substances (he was experimenting with alchemy) http://en.wikipedia.org/wiki/Later_life_of_Isaac_Newton#1693 http://en.wikipedia.org/wiki/Later_life_of_Isaac_Newton#1693