Add Yahoo as a preferred source to see more of our stories on Google. Everyday tech of modern life can take on sinister dimensions for people with thought disorders. Busà Photography/Moment via Getty ...

A shipping clerk begins to think he’s been given a secret task of geopolitical significance. A government employee believes that descriptions of a certain actor in the newspaper are actually about her ...

A peer-reviewed analysis of nearly 400,000 messages exchanged between humans and AI chatbots has identified measurable patterns connecting routine conversations to delusional thinking. The study, ...

A young woman starts to become suspicious of her cellphone. She notices it listing Wi-Fi networks she does not recognize, and the photos on her contact cards seem to mysteriously change at random ...