Dogs can smell when we're stressed from our breath and sweat
https://www.newscientist.com/article/2339827-dogs-can-smell-when-were-stressed-from-our-breath-and-sweat/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Dogs can smell when we're stressed from our breath and sweat