Berita Hari Ini: Do twins live longer?


	March 21, 2026

Original photo by Katrina Elena/ Shutterstock

Twins live longer.

Being a twin comes with a lot of perks, not the least of which is having a built-in companion (and, if you're lucky, a best friend) from birth. And while most experts agree that the idea of "twin telepathy" is just a myth, there's plenty of anecdotal evidence that the twin bond is a special one (psychic or not). And the effects aren't just emotional — research suggests that being a twin can even affect one's life expectancy.

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		Numbers Don't Lie

Age of Jeanne Louise Calment, the oldest person to ever live, when she died in 1997

122

World box-office returns for the 1988 film "Twins" with Arnold Schwarzenegger and Danny DeVito

$216.6 million

Number of twins born per 1,000 births, according to 2021 CDC data

31.2

Year the Minnesota Twins baseball team won their last World Series

1991

There is an extremely rare third type of twin.

You've heard of identical and fraternal twins. The former, known as monozygotic, happens when twins originate from the same egg, while the latter, called dizygotic, happens when two separate eggs are fertilized at the same time (the most common type of twin). However, there's also an extremely rare third type of twin known as semi-identical, or sesquizygotic. First documented in 2007, this type occurs when two sperm fertilize the same egg. Sesquizygotic twins share the same placenta and will have somewhere between 50% and 100% of the same DNA (essentially on a spectrum between normal siblings/fraternal twins and identical twins). Although the twins also share the same amniotic sac, the two fetuses can actually be different sexes, something that's impossible with identical twins. To this day, only a handful of sesquizygotic twins have been identified.

Today's edition of Interesting Facts was written by Darren Orf and edited by Bess Lovejoy.