¶Grand Rapids, Mich., one of the first U.S. cities to add fluorine to its water supply, celebrated the experiment's tenth anniversary with a look at the results. Among them:1) 30% fewer kindergarten children have decayed teeth, 2) first-graders have 75% fewer cavities, 3) eighth-graders have lost 50% fewer teeth.
¶In Rio de Janeiro, Physiologist João de Souza Campos, Biochemist Roched Seba and Botanist Geraldo Kulman reported the discovery of a native substitute for India's so-called "miracle plant," rauwolfia serpentina, which has proved highly effective (in drug form) in treating high blood pressure and nervous disorders (TIME, Nov....
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