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Science News for March 18, 2003


Other highlights of the March 19 JNCI

Research on STI571 and paclitaxel shows potential in controlling prostate cancer metastasis to bone. Lung cancer risk varies widely among smokers, with accurate prediction models helping individuals decide on screening. Non-BRCA mutations may be linked to high breast cancer risk in younger women.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 18, 2003

Two major food allergy firsts in North America

A new study reveals that peanut allergies are on the rise in Quebec, affecting approximately 1.5% of Montreal schoolchildren, compared to previous estimates of 0.5%. The Association québécoise des allergies alimentaires has also launched a certification program for allergen-free food products.

Study questions short follow-up intervals for 'probably benign' mammographic findings

A new study examines the incidence of breast cancer among postmenopausal women with 'probably benign' mammographic findings. The research suggests that short-interval follow-up may not be necessary, and a 1-year follow-up may be as effective as a 6-month follow-up in identifying early-stage breast cancers.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 18, 2003

Women smile more than men, except when they are in similar roles

A study by Yale researchers found that women do smile more than men, but the difference is modest and influenced by factors such as culture, ethnicity, age, and social role. When men and women think no one is looking, they smile similarly, and the sex differences disappear when they are in the same position of power or occupation.

SourceYale University·JournalPsychological Bulletin·DateMar 18, 2003