“…Studies exploring the impacts of AAI have shown that the presence of an animal can have a calming effect on some people, such as lowering blood pressure and heart rates [ 13 , 14 , 15 , 16 , 17 , 18 , 19 ]. Other research has demonstrated that AAI can improve the mental and emotional health of individuals in hospital settings as well as impact on the wellbeing of surrounding companions of patients and hospital staff [ 9 , 10 , 20 , 21 , 22 ]. However, the usefulness reported varies, which needs to be considered and addressed [ 23 , 24 , 25 ], and the impact on the non-human animal needs to be considered too [ 4 , 26 , 27 ].…”