If a single knock at the door sends your dog scurrying under the bed or he starts barking every time the doorbell rings, it’s probably safe to say you both dread surprise guests and package deliveries, not to mention Halloween. But could it mean something’s wrong?

If your dog shows excessive fear toward these and other noises, like fireworks, there’s a chance he may be suffering from noise aversion.

Did someone say, “W-A-L-K”? Whether you’re exploring a new trail or hitting your tried-and-true neighborhood loop, taking regular walks with your dog can have many positive effects on her health—and yours.

Here are the top six reasons you should add a stroll with your best friend to your daily routine: