Study: Being a twin may come with longevity benefits

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Study: Being A Twin May Come With Longevity Benefits

Researchers at the University of Washington have discovered a potential huge perk to being a twin.

According to their analysis of existing data, "...twins have lower mortality rates for both sexes throughout their lifetimes."

Records used in the study were gathered from the Danish Twin Registry.

The team focused on nearly 3,000 same sex twins born between the years of 1870 and 1900 to ensure all involved had lived their full lives.

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Overall, the duos showed greater longevity than singletons, but there were notable gender-based differences.

The university press release explained that "for men, they [researchers] found that the peak benefit of having a twin came in the subjects' mid-40s. That difference is about 6 percentage points, meaning that if out of 100 boys in the general population, 84 were still alive at age 45, then for twins that number was 90. For women, the peak mortality advantage came in their early 60s, and the difference was about 10 percentage points.

Strong social bonds are suggested as a key factor in twins' increased longevity.

Related: Did you know these celebs have twins?

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HOLLYWOOD, CA - FEBRUARY 09: Actor Jon Heder (R) and brother Dan Heder attend the season 3 premiere of HBO's 'Eastbound And Down' at cinespace on February 9, 2012 in Hollywood, California. (Photo by Barry King/FilmMagic)
NEW YORK, NY - NOVEMBER 18: Hunter Johansson and Scarlett Johansson attend 2nd Annual Champions Of Rockaway Hurricane Sandy Benefit at Hudson Terrace on November 18, 2014 in New York City. (Photo by Steve Zak Photography/FilmMagic)
LOS ANGELES, CA - MARCH 15: Designer Marissa Ribisi and actor Giovanni Ribisi attend the Fall 2009 presentation of Whitley Kros at Miauhaus on March 15, 2009 in Los Angeles, California. (Photo by Charley Gallay/Getty Images)
NEW YORK, NY - FEBRUARY 07: Designer Charlotte Ronson and DJ Samantha Ronson pose backstage at the Charlotte Ronson Fall 2014 Presentation during Mercedes-Benz Fashion Week at The Hub at The Hudson Hotel on February 7, 2014 in New York City. (Photo by Cindy Ord/Getty Images for Batiste Dry Shampoo)
PHILADELPHIA, PA - MAY 31:(L-R) Actors Aaron Ashmore and brother Shawn Ashmore attend Philadelphia Comic Con 2013 - Day 2 at the Pennsylvania Convention Center on May 31, 2013 in Philadelphia, Pennsylvania. (Photo by Gilbert Carrasquillo/Getty Images)
Nicholas Brendon and Brother Kelly Donovan (Photo by Ron Galella/WireImage)
Actress Linda Hamilton and twin sister Leslie Hamilton attending the premiere of 'Terminator 2' on July 1, 1991 at Cineplex Odeon Cinema in Century City, California. (Photo by The LIFE Picture Collection/Getty Images)
BEVERLY HILLS, CA - SEPTEMBER 17: Actor Rami Malek with his brother Sam pose with Jeff Garlin at the HBO Luxury Lounge in honor of the 63rd Primetime Emmy Awards held at The Four Seasons Hotel on September 17, 2011 in Beverly Hills, California. (Photo by Joe Scarnici/WireImage)
HOLLYWOOD, CA - JUNE 04: Angel Carter (L) and singer Aaron Carter attend Los Angeles opening night of 'Joseph and The Amazing Technicolor Dreamcoat' at the Pantages Theatre on June 4, 2014 in Hollywood, California. (Photo by Vincent Sandoval/WireImage)
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