Why tears in one eye when you laugh?

Experts do not know the real reason

That is interesting is that both tears and laughter are 

considered Anfalin identical psychologically as 

happens both when traffic peak psychological 

emotional effects long and despite the fact that tears 

are linked in our minds to cry but the event

Altadmaa complex much more Valdmua pouring

 down due to a number of cases emotional  and joy

 and sorrow

The Altadmaa is a good event because it relieves 

emotional state, certain severity, and is used by the

 body as a way to meet the hormones adrenaline 

and cortisol