DDT Pesticide Exposure Linked to Breast Cancer

Though banned in 1972, scientists find the lasting effects of DDT, once a “miracle pesticide,” responsible for changes in breast tissue cells.

DDT Pesticide Exposure Linked to Breast Cancer Maria: Authorities Say Much of Puerto Rico Remains Unreachable Puerto Rico Could Be Powerless For Months After Maria Rescuers Race Against Time After Deadly Mexico Earthquake Trump Sanctions North Korea, A Sign Diplomacy is Still on the Table Facebook Giving Russian Ads to Congress GOP Health Care Bill Faces the ‘Jimmy Kimmel Test’ CVS Pharmacy to Limit Opioid Prescriptions 'Cat in the Hat' Surprises Children in Need With Birthday Parties Hurricane Maria Knocks Out Power Across All of Puerto Rico ‘We Need Each Other’: San Juan Mayor on Devastated City Mexico City Earthquake: At Least 225 Dead, Thousands Missing Is California Prepared for the ‘Big One’? Comedian Jimmy Kimmel Calls Out Senator as Health Care Bill Heads for Vote Everyday Citizens Lend a Hand in Mexico City After Earthquake Category 4 Hurricane Maria Takes Aim at Puerto Rico, Virgin Islands Trump Meets With World Leaders at U.N. Assembly Tensions Run High at the State Department More Than 140 People Arrested in St. Louis Protests American College Students Recovering From Acid Attack NBC News Special Report: Hazing in America Boston Strong: Jeff Bauman's Incredible Story

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