Word: bloodstreams
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...carry out. Nanotech visionaries have much more ambitious notions. Imagine a nanomachine that could take raw carbon and arrange it, atom by atom, into a perfect diamond. Imagine a machine that dismembers dioxin molecules, one by one, into their component parts. Or a device that cruises the human bloodstream, seeks out cholesterol deposits on vessel walls and disassembles them. Or one that takes grass clippings and remanufactures them into bread. Literally every physical object in the world, from computers to cheese, is made of molecules, and in principle a nanomachine could construct all of them...
There's a long-standing debate about MDMA's dangers, which will take much more research to resolve. The theory is that MDMA's perils spring from the same neurochemical reaction that causes its pleasures. After MDMA enters the bloodstream, it aims with laser-like precision at the brain cells that release serotonin, a chemical that is the body's primary regulator of mood. MDMA causes these cells to disgorge their contents and flood the brain with serotonin...
...Frankly, we're frightened that deadly excesses have crept into your bloodstream...
...writer alone is almost as frightening a sight as a writer among others, especially at a book party. Paranoia fills the bloodstream. He grows certain that everyone is plotting against him, whereas no one is thinking about him at all. Unable to decide which is more humiliating, he goes for his verbal...
John H. Turco, director of Dartmouth College Heath Services, said bacterial meningitis actually exists in two common forms. Meningococcal meningitis causes inflammation of tissue surrounding the spinal cord and brain. The other form, meningococcemia, occurs when the meningococcal bacteria gets into the bloodstream. Turco said that this second form is more deadly...