Everything you never knew about swimming

Few things can match going for a swim in the ocean or a lake for its sense of freedom and belonging to something greater. Here are some expert swimming tips and unique places to apply your knowledge.

(CNN) — Few things can match going for a swim in the ocean or a lake for its sense of freedom and belonging to something greater.

But without the requisite ability, open water swimming can be a risky business.

Lifeguards naturally warn against the dangers of swimming without understanding local conditions. Have a good understanding, though, and there are deep benefits for mental and physical well-being.