Even though we hit the high seas often, we’re not immune to seasickness every now and then — especially during stormy weather. We use all the tricks to avoid queasiness while cruising, but we always keep some form of seasickness remedy on hand just in case. So which ones really work? We tested six popular motion sickness remedies — from prescription and over-the-counter drugs to natural treatments — to see which methods actually lived up to their promise. Here's what we found.