Why We Retreat When We're Sick

Do you wanna crawl under the house and hide like a dog when you're sick? You're not alone. I mean, you're alone, you're under the house like a dog. But you're not alone in the FEELING. A recent study published in Cell discusses why we have this instinct, and it's not just because we're grumpy. Spolier: it is also not because we're dogs.