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Why Some Diseases Wait in Your Body For Decades Before Striking

Almost any disease will spend some time in your body before making you ill, summoning its forces or just lying in wait. But some maladies are even more patient than that.
Some ailments can spend decades lurking in your body, dormant and unknown, until they suddenly spring to life. Let’s take a look at some of the most patient diseases that you could already have, without knowing.
The most famous, and the most dreaded, virus that stays dormant in the body for years is HIV — which introduced many people for the first time to the notion that you could look perfectly healthy but still have a communicable virus. But there have always been illnesses that had incubation periods of anywhere from years to decades. And these diseases have spurred many legends about how they were spread, and why they stayed hidden — but today we’ll look at the facts.
(Source: io9.com)