Did you know that less than 40% of veterans ever seek treatment? Service dogs are increasingly becoming a form of therapy and assistance for veterans. Service dogs help veterans manage their stress, risk of violence and suicidal thoughts. This graphic dives into the benefits of having a service dog, their duties and basic etiquette.

Ever wanted to take a trip with your dog but figured it'd be a massive hassle (you were right about that, by the way)? Here's a comprehensive checklist that can help you get it right--whether you're traveling by plane or by car.

There are a bunch of different ways dogs make humans happier and healthier--from anxiety relief to cancer detection. Here are just a few of them.