Growing up with a sister nearly a decade older than me meant that from the time I was 10, I could swear like a sailor.
It turns out that I might have been a late starter. Research shows that children start swearing by age the age of six – or younger – and we tend to swear about 0.5 to 0.7% of the time, which can amount to dozens of curse words a day, depending on how much you talk.
Swearing, the critics say, may make us appear ill-educated, rude and untrustworthy, as our mothers might have tried to drill into us. But it could have some surprising benefits, from making us more persuasive to helping relieve pain.
Read more: BBC