NIH-funded, AI-powered analysis of interviews suggests that a youth’s framing of stressful events is a strong indicator of risk for future disorders.

In 2024, Frank Muldowney learned he had aphasia, nearly 40 years after losing language following brain surgery at 19. What he experienced is now being confirmed by neuroscience.

WASHINGTON — Globally, people currently use roughly 7,500 languages, with English, Mandarin Chinese, Hindi, Spanish, Arabic, and French the most common, counting native and nonnative speakers. That is a lot of languages. But it is a far cry from the peak number historically. Researchers used mathematical modeling and insights from anthropology, linguistics, and demography to […]

During a period spanning the first millennium B.C. and ‌first millennium ‌A.D., humankind may have spoken tens of thousands of different languages, compared to about 7,500 now.