Abstract
Observing the miraculous effects of a quick knee massage on the performance of a felled footballer, Minerva has often wondered if the effect was psychological. A team of sports scientists report that it probably is ( British Journal of Sports Medicine 2000;34:109-15). Their study-in amateur boxers-showed that massage had no impact on the physiology of recovery between bouts, although it made the boxers feel better. Despite a clutch of controlled trials, it's still unclear whether or not steroids are an effective treatment for bronchiolitis in infants. A combined analysis of the six best trials shows that length of stay and duration of symptoms are both reduced by steroids, although the authors think there is still room for at least one more trial-preferably a big one-to find out which infants benefit the most (www.pediatrics.org/cgi/content/full/105/4/44). It should be clear by now that people who give up smoking after a heart attack live longer than those who don't. Giving up smoking is more effective than thrombolysis, aspirin, or β blockers, cutting mortality by up to 61%, according to a …
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