For many of us, it's hard to go a day without being on our phones. This can come in the form of urges to pick up your phone when you're not doing anything, or even shutting out the rest of your environment when you're on your phone. But why are we so addicted to our screens, and how does that affect our brains? In today's episode of That Neuroscience Guy, we discuss the neuroscience behind smartphone and screen addictions.