The Harvard Study of Adult Development, one of the most comprehensive longitudinal studies ever conducted, has sought to ...

Baszucki Group and Cleveland Clinic Neurological Institute expand landmark brain study to explore gut–brain connections in ...

A new longitudinal study on Palestinian and Israeli families found that exposure to ethnic-political violence increased harsh ...

By Vijay Kumar Malesu Following more than 8,000 children from age 9 to early adolescence, this longitudinal study disentangles social media from other screen use and shows a specific, small but ...

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 ...

A longitudinal, relationship-based case management approach significantly reduced health care costs and improved quality of life for Medicaid enrollees with complex needs over 1 year. Objectives: This ...

We study quantile regression (QR) for longitudinal measurements with nonignorable intermittent missing data and dropout. Compared to conventional mean regression, quantile regression can characterize ...

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 ...

Young adolescents, especially boys, who participate in organized sports between ages 6 and 10 are less likely to defy their ...