Dentists around the world are using amalgams (silver fillings) every day to fill decayed teeth, despite some erroneous news reports stating that many countries have banned the use of amalgams. International dental experts meeting recently at the American Dental Association (ADA) headquarters in Chicago discussed the use of amalgam in their respective countries.
Scientists have recognized for more than a century that some molecules exist as pairs of mirror images. But, are such molecules really righties or lefties, chemically speaking? New research funded by the National Science Foundation is providing an answer.
Nevirapine, a potent new drug used to treat HIV-infected patients, can be safely used in combination with protease inhibitors, according to one of the nation's leading AIDS researchers. Nevirapine is a member of a class of antiretroviral drugs called non-nucleoside reverse transcriptase inhibitors. Embargoed: Friday, Jan. 24, 1997, at 9 a.m. EST
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