This is a subject that’s been coming up recently in family discussions around the table after dinner, over a glass of wine. One of us recently had a DNA test done and the results were—let’s just say—WILDLY different than our understanding of who were are and where we’re from.
This is an interesting piece published recently on the Matador Network about this very thing. Why do we feel a physical connection to certain places? What’s the science behind that?
“Your bones keep a record of your air and water intake. Your molars — at six years — mark the spot you’re living at that time, give or take a few hundred kilometers. Checkpoint one. Your wisdom teeth in adolescence mark a second spot. Checkpoint two. And the rest of your skeleton changes every five to 15 years, keeping its own record of isotype composition. Checkpoints three, four, five, etc.
How is this possible? Air and water are vastly different in different areas, and the amount and type of isotypes they contain vary from place to place. Not just countries — mile to mile, inland to sea, mountain to prairie. If you were living in Arizona when you were six and living in Washington when you were fourteen, scientists would be able to tell if they were to have a look.
So, yes, geography is in your bones. Your geography. If we carry place with us, of course we can harbor strange, inexplicable connections. Maybe my ancestors really did shape where I’m from and where I love. I carry my geography; do I also carry theirs?”