Yes, this is true. According to a recent survey, it was found that couples who had high pitched quarrels (noise decimal limit be damned!!!) lived longer than their counterparts who sulked silently without airing their grievances loud and clear.
So, all those who love to shout their lungs out to prove a point, continue to do so with gutso and should anyone criticise you, remember to tell them this scientific funda of a long life!!!