Floating in water can feel wonderful. However, for some people, the pleasant sensation quickly fades when they leave the swimming pool or lake and start to feel dizzy, even though everything seemed ...

Over 200 kids signed up for what D.C. called “The World’s Largest Swim Lesson” on Friday, part of a movement that aims to help prevent childhood drowning.

Either way, it’s a relatively small pool meant more for lounging than swimming and can include some features of a hot tub, like jet sprays and lights. Depending on the size and materials chosen ...