Start the day smarter. Get all the news you need in your inbox each morning. "We found that actually, yes, some dogs do go to extremes and show addictive-like behavior," Mazzini said.

Some dogs love playing with toys so intensely they can’t stop—offering scientists a window into behavioral addictions.

Much in the same way humans can become addicted to online gaming or internet gambling, dogs can become addicted to their toys ...

Across all the tests, the researchers found that 33 dogs exhibited addictive-like behaviors with the toys. These behaviors ...

We may receive a commission on purchases made from links. When picturing dogs with their absolute favorite toys, many people may immediately think of tennis balls. Dog owners like these toys, too, ...

Thinking her tennis ball-obsessed dog would be thrilled with an endless supply, one owner learned the hard way that sometimes less is more. Owner Mackenzie's chocolate Labrador cannot get enough of ...