The Girl Who Doesn't Age

Researchers wonder if 16-year-old toddler might hold genetic key to why we age.

Brooke's Story

Brooke's Story
Girl Who Doesn't Grow
Girl Who Doesn't Grow
Girl Who Doesn't Grow
Girl Who Doesn't Grow
Girl Who Doesn't Grow
Brooke's Story
Brooke's Story
Girl Who Doesn't Grow
Girl Who Doesn't Grow
Brooke's Story
The girl who doesn't age: This slide and the next two show Brooke with her sister Carly, growing up. Here Brooke is 8 and Carly 5. (Courtesy Greenberg Family)
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