Word: fda
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...popper fad began among homosexuals, who first used amyl nitrite to enhance sexual pleasure. The drug dilates blood vessels, lowers blood pressure and, by distorting time perceptions, gives a sense of prolonging orgasm. When the FDA in 1969 classified amyl nitrite as a prescription drug, many homosexuals switched to isobutyl nitrite, which is not covered by the regulation...
...laser-light shows that have lately been dazzling disco dancers and rock and even classical concertgoers are now being closely watched by a new audience. The Food and Drug Administration's Bureau of Radiological Health has begun sending inspectors to light shows to make sure that FDA safety standards are being met. The bureau recently informed the Blue Oyster Cult, a rock band, that its laser show needed readjusting, and last month it abruptly halted a preview performance of an M.I.T.-sponsored light show scheduled to run all summer on the Mall in Washington...
...problem is that lasers produce beams of light so intense that if directed or even reflected into the human eye, they can blister and burn the retina, causing instant and permanent damage. To avoid that possibility, the FDA wants light-show operators to use low-powered lasers and to design the shows so that the beams of light are aimed far above the heads of spectators...
...source of his herd's ailments. Halbert, suspecting that his feed grain was impure, sent grain samples to state laboratories. The labs failed to find anything unusual, so he sent samples to labs outside the state, where researchers finally determined that the sample was laced with PBB. The FDA stepped in, setting the maximum level of PBB in cattle at 1 part per million (it was later dropped to 0.3 ppm). Last year, the state lowered the limit to .05 ppm for dairy cows being sold for meat...
...exhibited remarkable bureaucratic inertia with the PBB crisis. Michigan officials tried to convince the public that the PBB problem was unimportant. Fred Fry, an assistant to the Michigan Speaker of the House, said "State officials issued press releases consistently underestimating the scope of the problem." Fry added that the FDA encouraged the state to conceal the problem...