20 Rare Genetic Features That You’re Unlikely To Have

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20. High bone density

Gene mutations aren’t always a bad thing. In fact, some of them can give you almost superhuman-like tendencies, such as the mutation of LRP5. Usually, it’s linked to low bone density, but scientists discovered it can also result in high bone density – in other words, near-unbreakable bones. The revelation came to light after a man suffered not a single fracture in a car crash in 1994, and physicians soon realized his extended family all carried the same trait.