Emily Bartlett from Holistic Squid has put together a great post on the differences and best uses for different types of breast screening options. This is bar far the best explanation of these procedures I have come across. It is a very balanced report on when each option is best and the possible risks involved.

From Holisticsquid.com:
It seems like “thermography vs. mammogram” is all the buzz amongst women age 30 and up, and for good reason – cancer is now the #1 fatal disease, and one in eight women will develop invasive breast cancer.
The medical community strongly recommends mammograms as an “early detection” tool, but in alternative circles it is believed that mammograms can actually contribute to breast cancer and may only be questionably effective in helping to save lives. continue reading