Rickets has been ascribed to lack of Vitamin D in foods, lack of adequate sunlight, unbalance between the calcium and phosphorus in the body, disfunction of the parathyroid glands.
Last week Professor Herbert Davenport Kay & associates of Toronto suggested in The Journal of Nutrition that beryllium, a metal related to calcium and now coming into industrial use (it strengthens and hardens aluminum alloys), may be an obscure cause of rickets. When the experimenters added as little as 2% of beryllium carbonate to the diet of rats, the rats grew humpbacked, wobbled...
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