A landmark German study finds that mRNA COVID-19 vaccination during the first trimester does not increase the risk of major congenital disabilities, offering crucial reassurance for expectant parents ...

Cohort Study: A cohort study is an observational research design in which a defined group of participants (the “cohort”) is identified and followed over time to evaluate the relationship between ...

Different approaches to cohort study design in the context of biomarkers of aging. Biomarkers of aging are commonly validated using cross-sectional or longitudinal study designs. Cross-sectional ...

Introduction Students enrolling in higher education often adopt lifestyles linked to worse mental health, potentially contributing to the peak age onset of mental health problems in early adulthood.

Background Prehospital delays remain critical barriers to timely acute coronary syndrome (ACS) care, particularly for ...

Objectives We explored whether a spike in running distance during a single session or over 1 week, compared with the preceding period, was associated with increased risk of running-related overuse ...