Cruise ships are considered to be notorious hotbeds for illness, especially the "firing out both ends" kind. If you'd rather spend your trip soaking up sun and drinking Bahama Mamas than seeing your buffet dinner in reverse, follow these tips.

If you're on a sinking ship or you fall overboard, and you don't have a legitimate flotation device, it's time for the pants to come off. This clever survival trick will help you float on the water so you use less energy while waiting for someone to rescue you.