Snails get stressed: Invertebrate model sheds light on biological basis of anxiety Anxiety, the psychological and physiological state characterized by an anticipation of potential threats and a heightened sense of vigilance, is regularly experienced by many humans worldwide. Research suggests that anxiety is a behavioral consequence of stress, designed to "prepare" humans for uncertainty and risky situations.
https://phys.org/news/2025-06-....snails-stressed-inve