Cardiology

Analytic strategy can cut bias in large observational studies

(HealthDay)β€”In multicenter observational studies, bias from variability in treatment selection between clinical centers can be reduced by matching recalibrated propensity scores within clinical centers, according to a study ...

Genetics

Natural selection still at work in humans

Evolution has shaped the human race, with University of Queensland researchers finding signatures of natural selection in the genome that influence traits associated with fertility and heart function.

Oncology & Cancer

Study reports higher rates of cancer in developed countries

Developed countries, with greater access to healthcare, experience much higher rates of cancer incidence than the world's "worse off" countries, according to new research from the University of Adelaide.

Obstetrics & gynaecology

Mothers of twins are not more fertile, just lucky

Are women who have twins more fertile? While previous studies concluded they are, a detailed analysis of more than 100,000 births from pre-industrial Europe by an international team of scientists shows they are not. The results ...

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