Dogs

: Much like a human fingerprint, every dog's nose print is unique . This feature is so distinct that some countries, like Finland , have used nose prints for identification instead of microchips [10, 31].

offer features like programmable AI, emotional responses, and navigation to provide companionship [12, 15]. : Much like a human fingerprint, every dog's

: Interacting with dogs is scientifically shown to lower cortisol levels (a stress hormone) and increase oxytocin (the "love hormone"), leading to lower blood pressure and improved heart health [10, 14, 18]. : Much like a human fingerprint