New Study Finds That ADHD Has 9 Categories of Symptoms

Blood Tests Could Reveal Alzheimer's Risk Years Before Symptoms Appear

In the early days of the internet, some scholars thought the web's free flow of ideas would bring societies together around accurate beliefs. A new study using agent-based models helps explain why that didn't happen: Unlimited information flow reduces the accuracy of group beliefs in echo chambers.

Challenging the Narrative: New Study Shows U.S. Life Expectancy Is Rising Across All States