Nicole Spencer, 24, a medical student who suffers from Postural Orthostatic Tachycardia Syndrome (POTS), feeds her emotional support dog Tara, at a coffee shop in Syracuse, New York, U.S. May 3, 2022. Tara is trained to lick Nicole on the occasion she passes out and to detect changes in her heart rate. REUTERS/Magali Druscovich
