Squinting: Squinting uses a lot of muscles incorrectly, and is stressful in itself. The posture your body is forced to do in order to squint, can also cause neck strain, thereby causing headaches. In general it isn't considered a healthful act.
Answered 5/5/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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