Vaccinations maybe? Pesticides? Secret experiments on humans? Population control? I'm not a conspiracy theorist (*LOL*), so perhaps it's *just* poisonous toys from China or something. Strange.

Bromide compounds, especially potassium bromide, were frequently used as sedatives in the 19th and early 20th century.
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It has been rumoured (in particular, by British troops during world War II, who believed it was regularly added to their tea) that bromide can reduce incidence of erections for males
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Bromide is also used in hot tubs and spas as a germicidal agent.

http://en.wikipedia.org/wiki/Bromide