A new study analyses the influence that certain birth and infancy characteristics have on mammographic density – an important indicator of breast cancer risk. The results reveal that women born to mothers aged over 39 years and women who were taller and thinner than the average girl prior to puberty have a higher breast density. This brings with it an increased risk of developing breast cancer. Read more about the Carlos III Health Institute’s findings (published in the Breast Cancer Research and Treatment Journal) on: http://medicalxpress.com/news/2012-02-women-born-older-mothers-higher.html.