Extras

An extraordinary 70-year-long study in longevity has shown some shocking results.
The Gambia Longevity Study

Epigenetics: How Does the Environment Affect Genes?
Two men with nearly identical lifestyles, but vastly different metabolisms.
Epigenetics: How Does the Environment Affect Genes?

A genetic mutation from generations ago causes half of this family to grow 6 fingers.
The Da Silva Family

A small gene pool has lead to color-blindness spreading throughout an island population.
The Color Blind Island

Episode 3 Preview | The Final Countdown
See how your time inside the womb has determined your destiny on the outside.
Episode 3 Preview | The Final Countdown

Episode 2 Preview | One of a Kind
Learn how you became the unique individual you are.
Episode 2 Preview | One of a Kind
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