Ramiro Lopez / Staff writer In an effort to stamp out cancer, the American Cancer Society (ACS) is conducting the latest phase of a cancer prevention study that originally began in the mid 1950s. This latest phase, Cancer Prevention Study–3 (CPS-3) is seeking to enroll 300,000 participants nationwide and 500 participants from the Nueces County/Coastal Bend area to take part in this potentially lifesaving study.