In the 1890s, 16 percent of those admitted to St. Bartholomew's Hospital in London received the diagnosis of chlorosis. The disease entailed a host of symptoms, but the most unusual — and the one that gave the disease its name — was the greenish tinge that the skin of the afflicted acquired. https://www.ozy.com/true-and-stories/chlorosis-green-disease-teenage-girls/309931/