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
Girl Who Doesn't Grow
Pictured clockwise are Brooke, 7; Emily, 13; Caitlin, 10; and Carly, 4.

"To go to a swimming pool for the summer, or belong to a summer club ... we tried all those things, and it's lacking something," said mom Melanie Greenberg (not pictured). "Brooke's not there. We're not a family without Brooke." (Courtesy Greenberg Family)

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