African-American women face some of the greatest health risks in the U.S., especially when it comes to heart disease. More than 80% are overweight, 40% have high blood and 36% have high cholesterol. But GirlTrek, a public health nonprofit for African-American women, is looking to change those statistics one step at a time. Co-founders Morgan Dixon and Vanessa Garrison join Soledad O’Brien to talk about why this is about more than the exercise.

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