Imagine you're a researcher studying how sleep affects mood. To explore the connection, you would look at two key "variables": sleep (how much someone gets) and mood (how happy or irritable they feel) ...

New research, published online today in the American Journal of Psychiatry, examined a broad range of potential predictors of substance use among adolescents and found sociodemographic variables were ...

“In conclusion, our study highlights that rural–urban disparities in colorectal cancer screening persist in the United States, with most of the difference driven by unmeasured factors beyond ...

A new large-scale study came to the conclusion that weight-loss surgery gives people with type 2 diabetes and obesity a ...