You have a doppelganger and probably share DNA with them, new study suggests
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https://www.cnn.com/2022/08/25/health/doppelganger-dna-study-wellness/index.html
CNN
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Sometimes when Charlie Chasen or Michael Malone would be out and about on their own in Atlanta, people would mistake one for the other.
The long-time friends who live in Atlanta are not related. Their ancestors don’t even come from the same part of the world. Malone’s family came from the Bahamas and the Dominican Republic. Chasen’s family came from Scotland and Lithuania. They aren’t the result of some deep dark family secret, either. Yet they look strikingly similar. It’s not just their brown hair, beards and glasses. It’s also the structure of their nose, their cheekbones, and the shape of their lips.
“Michael and I go way back and it’s all been like a source of a lot of fun for us because over the years, we’ve been mistaken for each other all over the place all over Atlanta,” Chasen told CNN’s Don Lemon. “There’s been some really interesting situations that have come out just because people thought we were the other person.”
The two look so similar, even facial recognition software had a hard time telling them apart from identical twins. But now scientists think they can explain what it is that makes them look so similar – and could explain why each of us may have doppelgänger.
People who resemble each other, but are not directly related, still seem to have genetic similarities, according to a new study.
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at a bar one night but I was home. I've been a little obsessed with people who look similar to one another ever since.
I notice it all the time how people who are not related look like someone else and how even their features produce the same gestures or movements, cadence in speaking or intonation.
I haven't read the article yet but am bookmarking it to savor their findings.
I wonder if my doppelgänger is as weird as I am? 
and was walking from my car to a grocery store entrance, a few young women about my age in a parked car waved at me. I didn't recognize them but gave a little wave back and kept walking. Then, one of them got out of the car and walked up to me. "Well, stuck-up," she said, "aren't you even going to say hi?" I replied, "Hi, but do I know you?" She gave a little laugh and then leaned closer and looked in my eyes. "They're green!" she exclaimed, and looked back at her friends in the car. "She's not her." As she walked back to the car, she smiled at me and said, "Sorry."
That evening, my three kids, then in their teens, asked me whose car I was driving when they saw me on the highway heading toward Hot Springs from Rapid City, as they were on their way to a ball game there. "It wasn't me, " I said, and I told them about the grocery store incident. They thought it was weird. "Mom has a doppleganger!" one of them said, and they all laughed and freaked out.
My mother was from India and my father from Saint Louis, and my closest relatives as far as I know, live in Canada. Anyway, whoever my double was, maybe we'd seen each other before and not thought a thing of it. 
And I'm growing rather tired of hearing how Ryan Gosling looks just like me. He should at least do a few more pushups before he can say he's reached the mark!
But there were some in the 70's who said I looked like Meathead on Archie Bunker.
No, not what you’re thinking. Several years ago, a very popular athlete in these parts passed away after a long life well lived, and his funeral was televised. Hubster and I were watching and were stunned to see a woman walk into the chapel that not only looked just like me, she had the exact same hairstyle, glasses, and makeup and was wearing a jacket identical to one that I owned at the time. I told Hubster this was probably as close to an out-of-body experience as I was ever going to get. 
turns out it's Ruth Buzzi.
I have been told by others that they saw someone who looked just like me in various parts of the country. The one I did encounter, in my teens, was a girl about five years younger than me, we looked like twins.
I was in my old home town with my teen friends from my neighborhood in a different state, we were visiting each others' hometowns together, and were at a lake I frequented when living there. I was the only one who went swimming, wearing an purple bikini, the others stayed up in the shade by the trees. After a time I was done with the water and went back to my friends and our host's daughter who was with us, they were talking to some girl, a friend of the host's daughter, whose back was toward me.
When I arrived by her side, I was noticing that she wore a bikini exactly like mine only orange. My friends were stupefied looking at both of us, when we looked at each other it was like the beginning of the Patty Duke Show. We were identical! My friends were trying, before I got up to them, to figure out how my bikini changed color and why didn't I answer to my name?
When we returned to our lodgings my friends and the girl all wanted to show her mom her doppelganger... was not a good idea. Turns out the girl was my unannounced half-sister from one of my father's adulterous affairs and her mother recognized me instantly as my father's child and i recognized her from when my dad brought her, very pregnant, home to meet the wife and kids to prove why he couldn't tend to her issue with him. It was a brief encounter and I left for both our sake. I never saw either of them since.
I have met others whom some think look like me but I have to wonder at what makes them see us as alike when there is little in common visually.
