The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...
The Harvard Study of Adult Development, one of the most comprehensive longitudinal studies ever conducted, has sought to ...
A 47-year-long Swedish study at Karolinska Institutet reveals how fitness, strength, and muscle endurance change during ...
We study quantile regression (QR) for longitudinal measurements with nonignorable intermittent missing data and dropout. Compared to conventional mean regression, quantile regression can characterize ...
Baszucki Group and Cleveland Clinic Neurological Institute expand landmark brain study to explore gut–brain connections in ...
Objective We aimed to investigate the association of cardiorespiratory fitness (CRF) with cognitive function and dementia risk, taking genetic predisposition for dementia into account. Methods Within ...
In patients with isolated syndromes that are clinically suggestive of multiple sclerosis, such as optic neuritis or brain-stem or spinal cord syndromes, the presence of lesions as determined by T ...
More than 10,000 graduates from Wisconsin's high school class of 1957 have been participating for a half-century in the Wisconsin Longitudinal Study, one of the longest and most respected sociological ...
Young adolescents, especially boys, who participate in organized sports between ages 6 and 10 are less likely to defy their ...