Word: bloodstream
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...center of all the attention is a class of compounds known as sucrose polyester (SPE). Although that may sound like a new material for leisure suits, SPE looks and tastes like vegetable oil but passes through the body without entering the bloodstream. Research at the University of Cincinnati appears to show that it can reduce a person's existing cholesterol levels. It supposedly satisfies what market researchers call the "mouth-feel" requirement that eludes so many yucky-tasting diet-oriented products. P&G, which has tested olestra on more than 1,800 people in the past 15 years, contends that...
Previous research has indicated that alcohol consumption reduces the risk of heart disease by reducing the amount of one type of cholesterol in the bloodstream. But with the results of the new study, Colditz said, "We're left with the trade...
...would it work in humans? A few weeks after Zagury scraped his skin enough to let the experimental substance enter his bloodstream, tests showed that his body had produced two types of immune response: antibodies to the AIDS virus, plus specialized blood cells capable of defending against incipient AIDS infection. In laboratory tests, these defender cells were effective not only against the strain of virus from which the vaccine was made, but against a second strain as well. This finding was especially significant since the AIDS virus has innumerable strains...
...precautions because "it's not a risk-free world, and I'm going to take the chance." After four encounters, he confessed he was a bisexual whose previous lover had died from an AIDS-related cancer. Ten months later, tests confirmed that Wolf had the live virus in her bloodstream...
...invader is tiny, about one sixteen-thousandth the size of the head of a pin. It consists basically of a double-layered shell or envelope full of proteins, surrounding a bit of ribonucleic acid (RNA), the single-stranded genetic molecule, and often enters the bloodstream of its victim after sexual contact. It is an AIDS virus, and its intrusion does not go unnoticed. Scouts of the body's immune system, large cells called macrophages, sense the presence of the diminutive foreigner and promptly alert the immune system. It begins to mobilize an array of cells that, among other things, produce...