When the condition is diagnosed most will have a form of the disease know as relapsing-remitting MS, in which the symptoms can almost disappear for a time, before suddenly returning.

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As a moneymaker for Lilly, it will almost disappear.

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"My father made his one stock investment in early October 1929, saw it almost all disappear and then, if he had any money later, he wouldn't touch the stock market, " he says.

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In Baltimore, Minneapolis, Cincinnati and other cities the targeted neighborhoods saw drug markets disappear almost overnight or diminish dramatically, along with the attendant violence.

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And with the governors of the school under pressure from Whitehall to convert to academy status, almost half the council's budget could disappear.

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In almost every case, it comes a time that growth slows down, and these companies disappear from business lists and investor radars.

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