Scientists train dogs to sniff out stress in human breath
Researcher Laura Kiiroja, of Dalhousie University, with Red Golden Retriever Ivy (Laura Kiiroja/Dalhousie University)
Dogs may be able to sniff out an oncoming flashback caused by post traumatic stress disorder (PTSD), research suggests.
PTSD is a mental health condition caused by stressful, frightening or distressing events, with those afflicted often reliving these moments through nightmares and flashbacks.
