Listen: Wounded warriors and their special bond with service dogs
"Well, we take a look now at the special bond between wounded warriors and their service, dogs CBS news correspondent dean Reynolds has more on the science of healing. He rose just say, retired army, staff sergeant Carlos Cruz depends heavily on his service dog Hannah is an understatement. Have you found yourself in positions with Hannah where you save yourself? Thank god. She's with me every day. Cruise was diagnosed with post traumatic stress disorder after returning from service in northern Afghanistan where he hunted for enemy explosive devices. He acquired Hanna in January of last year and has been grateful ever since what is that, that the dog gives you? Security. It's amazing what she does for me. It's amazing. I don't even know how she knows half the time. But most of it's like it's, it's an unspoken, unspoken language. I guess you can say it may be more than that part of an unprecedented study cruise collected his saliva. Three times a day for three straight days to test stress hormones. He also a wristband tracks vital signs Hannah may actually be affecting and Hannah gets tracked to data from his home in Florida goes to produce university in Indiana where researchers led by professor. Maggie O'Hare are looking into the science behind the bond saliva samples from our veterans who have collected. About one hundred veterans and their service, dogs are being studied. I think there are people out there who questioned whether or not service, actually help, and they are looking for numbers and science. So she's trying to find out if there is a chemical reaction service, dogs ignite in their owners, and vice versa findings which could save for certain that dogs can help NY sometimes just feeling her partied at her breathing helps to call me. I wish I didn't need them, but she's in my life. Now. She's great. Carlos Cruz can't define it."