CBC: Seeing Double in Twinsburg

The annual Twins Day Festival draws siblings, and scientific researchers, from around the world. The festival offers a unique scientific opportunity for researchers to gather subjects with identical DNA in order to learn whether certain conditions are influenced by genetics or environmental factors.

Researchers set up tents on the festival grounds, where twins can volunteer to be tested. This year included researchers from the Monell Chemical Senses Center in Philadelphia, biometric researchers from West Virginia University and the dermatology department of the nearby University Hospitals in Cleveland.

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