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Hospitalized COVID-19 patients who received famotidine were more likely to survive, a new retrospective study has found, but it is premature to conclude that the drug is effective for COVID-19.

Compared to yearly screening, more frequent mammograms for women treated for early-stage breast cancer did not confer additional benefit, a study from Columbia University oncologists has found.

A mismatch between airway and lung size may explain why some nonsmokers get COPD and some heavy smokers do not, according to a new study from Columbia University.