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 ...

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

A study published in the journal One Earth points out that risk assessments for diseases transmitted by infected animals ...

The kelp forest is ephemeral, yet foundational. Fronds of this fast-growing giant seaweed come and go with the seasons, ...