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Dean of the College Benedict H. Gross ’71 approved the provisional extension last week. Whether and when to begin extending hours is up to individual House Masters...
...those cells, called mast cells, release a chemical called histamine that makes nearby capillaries leaky. This allows small amounts of plasma to pour out, slowing down invading bacteria, and prepares the way for other faraway immune defenders to easily enter the fray. Meanwhile, another group of sentinels, called macrophages, begin an immediate counterattack and release more chemicals, called cytokines, which signal for reinforcements. Soon, wave after wave of immune cells flood the site, destroying pathogens and damaged tissue alike - there's no carrying the wounded off the battlefield in this war. (No wonder the ancient Romans likened inflammation to being...
...Problems begin when, for one reason or another, the inflammatory process persists and becomes chronic; the final effects are varied and depend a lot on where in the body the runaway reaction takes hold. Among the first to recognize the broader implications were heart doctors who noticed that inflammation seems to play a key role in cardiovascular disease...
...cholesterol increases in the blood, they speculate, some of it seeps into the lining of the coronary arteries and gets stuck there. Macrophages, alerted to the presence of something that doesn't belong, come in and try to clean out the cholesterol. If, for whatever reason, the cytokine signals begin ramping up the inflammatory process instead of notching it down, the plaque becomes unstable. "This is not about replacing cholesterol as a risk factor," Ridker says. "Cholesterol deposits, high blood pressure, smoking - all contribute to the development of underlying plaques. What inflammation seems to contribute is the propensity of those...
MARRIED. HUNDREDS OF GAY AND LESBIAN COUPLES; by San Francisco city officials; after Mayor Gavin Newsom asked the county clerk's office to begin issuing marriage licenses to same-sex couples, in defiance of a California law barring homosexual nuptials; in San Francisco. Among the couples pronounced "spouses for life" were PHYLLIS LYON, 79, and DEL MARTIN, 83, who founded the nation's first lesbian organization 49 years ago. Opponents of the licenses are seeking a restraining order to prevent the city from granting more...