Chlorine is a widely used industrial chemical that’s frequently a factor in toxic accidents and workplace injuries. A pharmaceutical expert explains why it’s so hazardous.

Sharks, bacteria, and pool closures combine to threaten swimming. Fun is at stake, say experts, but also public health.

An ophthalmologist explains how important tears are to keeping your eyes feeling good and working well – whether you’re on dry land or swimming in a body of water.

Rip currents are a leading cause of near-shore drownings, but there are effective ways to survive one. And these phenomena also play important ecological roles that are an emerging research area.

And other ways to enjoy open water safely this summer.

The tiny organisms that cause harmful blooms of algae can have a big impact on your trip to the shore. A toxicologist explains what causes these events and how to keep people and pets safe.

Expert Jen Lau has advice for parents to preventing children from drowning. Her advice include swimsuit color and designated watchers.

As well as the joy that comes with swimming, there can also be some dirty risks.

Researchers are studying elite free divers who can hold their breath for minutes at a time to uncover clues to lung diseases like COPD.