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University of Chicago Medical Center


A history lesson from genes

Scientists have developed a software model called TreeMix that compares genetic variants across populations to infer history of population splits and mixtures. This new approach reveals complex relationships among human populations, including interbreeding with wolves in dog breeds.

SourceUniversity of Chicago Medical Center·JournalPLOS Genetics·DateJan 9, 2013

Doctors cite concern for patients, colleagues top motives for working sick

A survey of resident physicians reveals that more than half had worked with flu-like symptoms, citing responsibility to colleagues and patients as top reasons. Female residents were more likely to work sick, fearing being perceived as weak. The study calls for better identification and address of presenteeism by medical educators.

SourceUniversity of Chicago Medical Center·JournalArchives of Internal Medicine·DateJun 18, 2012

Social stress changes immune system gene expression in primates

A new study found that social stress changes the expression of nearly 1,000 genes in rhesus macaques, affecting their immune response and other functions. The researchers discovered significant differences in gene expression between high-ranking and low-ranking females, suggesting a strong link between social environment and biology.

SourceUniversity of Chicago Medical Center·JournalProceedings of the National Academy of Sciences·DateApr 9, 2012

For those with diabetes, controlling blood pressure is crucial, but not urgent

Researchers found that delaying effective hypertension treatment for up to a year results in small-quality adjusted life expectancy loss, but longer delays cause significant damage. The study suggests patients and providers focus on diabetes self-management and lifestyle modification within the first year after diagnosis.

SourceUniversity of Chicago Medical Center·JournalJournal of General Internal Medicine·DateJan 9, 2012