How Gene Therapy Works

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Can twins sense each other?

Can twins sense each other?

We love stories of twins who can sense each other's pain or know what the other is thinking. But can twins really sense each other? Find out.

Author's Note: How Gene Therapy Works

It's hard not to be impressed by the mechanics of gene therapy -- the snipping, splicing and swapping of DNA. But separating the "Can you?" from the "Should you?" seems a much more daunting task. I suspect that addressing the ethics of gene therapy depends a great deal on whether you or a family member suffers from a rare genetic disorder.

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