The herbs above also give you a lot of general health benefits, as well as attacking the main causes of low libido. Today, you don't have to buy all these herbs separately. Accordingly, reducing estrogen may reduce a female's probability of breast cancer. The question is: How to lessen the estrogen level in a female's lifespan? The risk of breast cancer is quite a bit reduced in Japan than that in the United States?about one-fourth. This discrepancy might be explained by the fact that the menstrual cycle of women in the United States is approximately 26 to 29 days, when compared to average of 32 days for females in Japan. So, the length of the menstrual cycles may hold the answer to reducing cancer risk ladies, since the shorter the menstrual cycles, the less creation of estrogen, along with the lower the cancer risk. Corticosteroids: prednisone and cortisone reduce inflammation and suppress the immune system.