Share 'Do Mammograms Do More Harm Than Good?'

A half a million women in North America and Europe participated in randomized clinical trials where half had mammograms and the other half did not. In the end, there was virtually no difference in mortality rate of breast cancer or other types of cancers, but 10% of those who were screened were given false diagnosis. The chart below puts the numbers more clearly. In a Time magazine article that h…