Concussion-related biomarkers vary based on sex, race

(HealthDay)—Concussion-related serum biomarkers vary by sex and race, which may complicate their interpretation, according to three studies published online Nov. 7 in Neurology. Breton M. Asken, from the University of Florida in Gainesville, and colleagues conducted an observational cohort study and measured serum concentrations of biomarkers in 415 nonconcussed collegiate athletes without recent exposure to head impacts to describe the […]

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Behavioral risk factors for depression vary with age, study finds

Behavioral risk factors including smoking, obesity, limited physical activity and a less healthy diet strongly predict the likelihood of depression—and that likelihood increases with each additional risk factor a person possesses. Additionally, the risk factors most strongly linked to depression change with age. Previous studies had identified behavioral risk factors for depression, but it was unclear how these variables changed […]

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