A study conducted from Harvard Medical School reviewed over 7,000 cases of women diagnosed with breast cancer between 1990 and 1999.

At least 65 per cent of the participants reported that they had never had a mammogram. During the study, 609 died from the disease. Based on the findings, the researchers conclude that earlier screening could be able to help save more lives.

Sounds like an open and shut case right? Wrong. According to the experts at the US Preventive Services Task Force (USPSTF), the study will just "confuse women more than they already are."

Their reasoning is that these mammogram screenings only work best for detecting the slow-growing cancer, while younger women are just more susceptible to the "killer cancers" that move quickly so they probably wouldn't benefit from mammograms:
Even though mammograms can detect malignant tumors that cannot be felt, treating a small tumor does not always mean that the woman will not die from the cancer. A fast-growing or aggressive cancer may have already spread to other parts of the body before it is detected.
So does this make you think twice about getting checked? The experts believe that most women should not get regularly screened until the age of 50, while the American Cancer Society suggests women begin getting regular mammograms at 40.

NBC News