Women are known for being the weepier sex. But it seems men are more likely to cry tears of joy.
When reacting to upsetting events, women cry up to four times as often as men, according to Professor Ad Vingerhoets, a leading authority on crying.
However men let the tears flow more often when they experience something positive, for example when their sports team wins an important match.
Professor Vingerhoets said the most common reason for crying is a feeling of powerlessness, rather than sadness.
He told the Daily Mail: "Overall, men and women cry over the same major things, like the death of a loved one, romantic break-ups, and homesickness.