Heterogeneous findings may be the product of cross-sectional designs with modest-to-moderate sample sizes, between-study variability in participant attributes (e.g., varying age ranges, smoking histories, sex ratios, or other sociodemographic characteristics), and/or methodological differences in MRI acquisition or data analysis parameters (e.g., smoothing, registration techniques, or normalization templates)
The backlash over the use of vaping products continues as the number of people being diagnosed with vaping-related lung illnesses continues to climb
Matt Kaeberlein, PhD, the director of the University of Washington's Healthy Aging and Longevity Research Institute, proposed that periodontitis shares ageing-related biology with underlying conditions, including Alzheimer's, heart disease, and diabetes
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