No harm: Though it can certainly help if you were to fall into water and could not get out.
Answered 9/19/2012
5.6k views
Probably not: Many people who enjoy swimming or diving practice holding their breaths so they can go farther without coming up for air. On the other hand, any activity in life can become harmful if the activity is taken to an extreme.
Answered 12/9/2013
5.6k views
A doctor has provided 1 answer
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