Poor sleep health is associated with increased all-cause mortality and incidence of many chronic conditions. Previous studies have relied on cross-sectional and self-reported survey data or ...

Objective To understand the associations of trajectories and accumulation of physical activity (PA) over adulthood with all-cause, cardiovascular disease (CVD), and cancer mortality. Design Systematic ...

An increasing amount of attention has been devoted to the problem of “toxic” or antisocial behavior on social media. In this paper we analyze such behavior at very large scales: over a 14-year time ...

A study reveals that stable, moderate sleep patterns are linked to better health in older adults, while inconsistent or short sleep trajectories pose risks to physical, cognitive, and social ...

Concern over student attendance has intensified since the pandemic, when chronic absenteeism rose sharply and has now only partially receded. Using daily attendance records covering all students in ...

Speech rate and word-finding difficulties, including pausing and use of fillers such as “um” and “uh,” were associated with changes in executive function across the adult lifespan in a new study. Jed ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...