Answers

2015-10-16T12:12:14+05:30
SEE GENERALLY DUE TO MORE WORK WE DO WE ARE AFFECTED TO DO LOT OF THINGS SO WE ARE STRAING SO DUE TO THIS STRAIN ,STRESS IS DEVELOPING SO DUE TO STRESS WE ARE GENERALLY GETTING HEADACHE
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okay i appreciate you
but how does headache occur biologically