Bra and Breast Cancer

A study by Singer and Grismaijer in 1995 found that the odds of getting breast cancer dramatically increased with bra-wearing over 12 hours per day.

1. Women who wore their bras 24 hours per day had a 3 out of 4 chance of developing breast cancer (in their study, n=2056 for the cancer group and n=2674 for the standard group).

2. Women who wore bras more than 12 hour per day but not to bed had a 1 out of 7 risk.


3. Women who wore their bras less than 12 hours per day had a 1 out of 152 risk.

4. Women who wore bras rarely or never had a 1 out of 168 chance of getting breast cancer. The overall difference between 24 hour wearing and not at all was a 125-fold difference.

That is a huge difference, and the implication is clear. Your first line of defense in preventing breast cancer is to severely limit how many hours a day you wear a bra.

Bras do NOT cause the cancer initially but they restrict the flow of lymph within breast tissue, thereby hindering the normal cleansing process of the breast tissue. Many environmental toxins and pesticides that cause and promote cancer are "fat-loving" and so tend to reside in the breast tissue. Lymph fluid carries away waste products, dead cells, and toxins.