Teenagers who argue with their mothers are less likely to succumb to peer pressure and turn to drink and drugs, say child psychologists.
Instead of bottling up opinions and feelings, it is best if older children are open and candid with their mothers, according to a study by university researchers.
And it is often disagreements rather than heart-to-hearts that help the most.
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If a teenager can stand up to their mother in a row about a girlfriend or boyfriend or poor grades then they are more likely to resist peer pressure, says the study.