It's not hard to pick out the most magnetic person in the room, and it's easy to spot the shrinking violet in the corner. But most of us exist somewhere between those two extremes. Take this quiz to determine where you fall on the charisma scale.
Adapted from the book The Longevity Project: Surprising Discoveries for Health and Long Life from the Landmark Eight-Decade Study (Hudson Street), by Howard S. Friedman, PhD.
From the October 2010 issue of O, The Oprah Magazine
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