In 2008, a young boy named Johnny Jackson went swimming and accidentally swallowed some water. He had a short coughing fit, toweled off, and then went home. No big deal. Or so his parents thought. A few hours later, after going down for a nap, Johnny passed away. In 2014, a toddler named Ronin came frighteningly close to the same fate. He slipped briefly into a pool before being pulled to safety by his mother. Ronin was shaken up but seemed fine. Watching from the patio is a no-no. Get in the pool! Photo from Thinkstock. Later that night, he lay stretched out in an ambulance as it screamed toward the hospital, where he arrived just in time. Stories like these have resulted in an outburst of news coverage around what's being referred to as "dry drowning." But that's a bit of a misnomer. Since we're entering the season of pool parties and beach trips, here are a few things you really need to know about wh...