Some women believe the breasts are constantly able to avoid breast down. However, it can trigger the habit increase in body temperature of the breast are at risk for long cancer.

The answer was less than 12 hours. Women who want to avoid cancer breasts should wear a bra in the shortest time possible, and should less than 12 hours per day.

Singer and study habit of wearing a bra 4500 women in five cities across the United States. The results of his studies have been published in a book Dressed to Kill: The Link between Breast Cancer and Bras.

The study results showed women who wore bras 24 hours a day among the least high risk of breast cancer. While women who rarely wear bra least risk.

Comparison of the results showed:

1. 3 of 4 women who wore bras 24 hours per day
2. 1 of 7 women who wore bras more than 12 hours per day, but do not use while sleeping
3. 1 of 152 women who wear bras less than 12 hours per day
4. 1 of 168 women who rarely or never wear a bra at all

So the risk of women who wore bras 24 hours had 125 times fold risk of developing breast cancer than those who rarely wear a bra.

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Massage breast with a deep breath each time removing the bra can be facilitate the flow of lymph and prevent the development of cancer in breast.

The lymphatic system develops in the breast only completely during pregnancy and breastfeeding, so women who wear bras everyday and postpone having children who are not breastfeeding can exposed to higher risk of breast cancer.

Approximately 75 percent women who get breast cancer do not actually have a factor cancer risk. This raises a presumption that the use of a bra does not fit or wearing a bra all the time is a factor that can explain it.

Incorrect bra size or too tight can help the growth of breast cancer. Because the wrong bra can inhibit the neutralization of harmful chemicals in the body that cause cancer. And about 80 percent of women using the wrong bra.

The main reason why a tight bra can be harmful to health is because it can restrict the flow of sap nodes in the breast. Normally, lymph fluids wash the waste material and other toxins, and keep him away from the breast.

Use bra for too long also increase the temperature of breast tissue, and women who wore bras had higher levels of the hormone (hormone that functions stimulate the milk glands) is higher. Both of these can affect the formation of cancer