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Author Archives: By Emily Underwood

When the brain’s waste disposal system fails

By Emily Underwood, Knowable Magazine Every one of the human body’s more than 30 trillion cells is a miniature powerhouse, able to glean its own energy from nutrients and synthesize molecules necessary to perform its duties, whether as a liver cell, heart muscle cell or neuron. Whatever a cell doesn’t need or can’t use gets recycled by tiny sacs of ...

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