How dogs help people overcome loneliness, depression, poor health

After Peety died in 2015, O'Grey visited the Seattle Humane Society, where he found Jake and instantly bonded with him.

Eric O'Grey was once unhealthy, depressed and lonely. Less than a decade ago, when he was 50, his doctor told him to buy a funeral plot because he'd soon need one. He weighed almost 160kg, with cholesterol at "a walking dead level".

That was in 2010. Fast-forward to 2019, and O'Grey, now 60, is alive and well because of a shelter dog named Peety.