Capsules

P: Gamma globulin has edged back into favor as a protective against polio. After restudy of cases that occurred in 1952 and tests of viruses from victims. Pittsburgh's Dr. William McD. Hammon reported that G.G.'s record had been smirched by sloppy test procedures and by confusing other diseases with polio. Hammon and colleagues now consider G.G. slightly more effective than they had first thought--but still no substitute for a vaccine.

P: For staid Germans, who find gum-chewing G.I.s and tourists unspeakably schrecklich, the German Medical Association had a shocking announcement. Despite the bad effect of sugar coating, "Chewing inspires the flow of saliva and thereby improves the teeth-cleaning process. [It] makes teeth more sound, now that people no longer eat hard food or chew their food thoroughly.''

P: To give the brain surgeon a relatively dry field for delicate operations inside the skull and to cut down blood loss, a drug called Arfonad will soon be marketed by Hoffman-La Roche. Inc. In hundreds of cases it has lowered blood pressure safely and by just the right amount. Helpful in other operations, especially removal of tonsils or adenoids, is Adrenosem (S. E. Massengill Co.), which controls bleeding from the smaller blood vessels.

P: After a plantation overseer died of jungle yellow fever, carried by monkeys and mosquitoes, Trinidad (British West Indies) began mass inoculation of its 669,000 inhabitants.

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