Water temperatures below 77 degrees Fahrenheit begin to affect your breathing, which is why Olympic swimming competitions require the water to be between 77 to 82 degrees.

Discover the most common swimming pool illnesses affecting millions each year. Learn how to protect yourself and your family from these hidden water dangers.

Goggles: Eyewear worn in the pool to protect swimmers' eyes from the effects of chlorine ... or activity used by a swimmer in preparation shortly before a race. Open water swimming terms Acclimate: To ...