But now, Timiyah is in intensive care at a children's hospital with nearly half her body covered in severe burns. It was the outcome of attempting a viral Internet dare known as the "fire challenge," which usually involves pouring rubbing alcohol on your body, setting yourself on fire and filming it all. It's just one of numerous social-media-fed stunts — some harmless, some life-threatening — into which young people have been lured over the past few years. Some may remember the "cinnamon challenge," eating a spoonful of ground cinnamon undiluted by water, a reckless exploit that can cause gagging, vomiting, collapsed lungs and hospitalization.