Word: bloodstream
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Dates: during 2000-2009
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...drive yourself to the hospital. Call an ambulance. Then, if you think of it, chew on an aspirin; 325 mg is the recommended dose, and chewing gets the drug into the bloodstream faster. A single tablet can stave off some of the damage. Above all, don't tell yourself, "I can't be having a heart attack, I'm not feeling any chest pains." Let a doctor make the final call. For more information on heart attacks, visit time.com/personal or americanheart.org E-mail Christine at gorman@time.com
...blood. As many as 20% of women with early breast cancer whose tumor has not, as far as anyone can tell, spread to the lymph nodes have a recurrence of the malignancy after their treatment. Current thinking is that they must already have had so-called micrometastases in their bloodstream and that a blood test might eventually uncover the problem ahead of time. Depending on the result, doctors could then pursue more aggressive treatment...
...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...
MOLECULAR MEDICINE Streaming through the body by the billions, nanobots could chip plaque from arteries, gang up on bacteria and viruses, scour toxins from the bloodstream, repair broken blood vessels--and dozens of jobs doctors haven't dreamed...
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...