We’ve all heard about tapeworms getting into the intestines. That’s bad enough. But sometimes they can also end up in the brain. In my column in the latest issue of Discover, I write about neurocysticercosis, which is shockingly common in some parts of the world, causing an estimated five million cases of epilepsy. Yet neurocysticercosis experts consider the disease as a fairly easy one to wipe out. We have the tools to do it, but not the will. Check it out.