Researchers evaluated over 250 patients with breast cancer and analyzed their fat relative to 90 women without breast cancer.
The analysis showed that there was indeed a protect effect of omega-3 fatty acids on breast cancer risk and supports the imperative balance of the omega-3 to omega-6 ratio as being important in the development of breast cancer.
Previous studies have shown the importance of vitamin D in the development of breast cancer.
It is also important to know that source of the fish oils has been screened for heavy metal poisons.
Int J Cancer March 2002 1;98(1):78-83