New science is revealing breasts in a way that we’ve never seen them before. For years we’ve been seeking perfection: shape, size, and food source for our children. But now some scientists believe they may also be a hidden toxic waste ground. Putting breasts tissue - and breast milk - to the test, this documentary will investigate if these wonderful life-giving organs are under threat from the modern world and if they’re actually an early warning system telling us about the dangers of the chemicals around us.