A study published in the Journal of Physical Psychiatry in the United States found that marital differences and controversy make both parties less at risk of developing health or early death.

Where the differences and discussions between the two parties a way to vent the stored feelings, which lead to greater health risks in the event that it was limited and made without resorting to discussions that lead to a dispute between couples often.

The study included responses from 192 couples over 32 years to see if the way they argued affects their age.

However, the results of the study apply only to couples with similar reactions and close patterns in quarrels and engage in heated discussions, said psychologist Kyle Borasa of the University of Arizona: "The greater the mismatch in response to anger in couples, the greater the risk of early death .

If husbands' responses to the conflict differ, this may translate into greater daily conflict over time.