NEW YORK, May 1, 2012 /PRNewswire/ -- Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic testing, information and services, today announced its national presenting sponsorship of the American Cancer Society Choose You® movement, which encourages women nationwide to live well today and stay well tomorrow. In support of the Choose You movement and in recognition of National Women's Health Week May 13 – 19 sponsored by the U.S. Department of Health and Human Services Office on Women's Health, Quest Diagnostics will offer 10,000 vouchers for free screenings to women at May Choose You events around the country, beginning today in New York City.