Attempt related exposure to chemicals and pollutants before a woman is in her mid-30s may greatly increase her uncertainty or risk of breast cancer after menopause a new study has to be found. The study accommodate 556 women diagnosed with breast cancer in Canada when they were among the ages of 50 and 75 and a control group of 613 breast cancer-free women in the same age group. Complete had gone through menopause.

The experimenter investigated the women’s levels of occupational denudation to about 300 substances and found a link between breast cancer and several of the substances. The risk of breast cancer behind menopause was highest in women exposed to these substances before present the age of 36 and increased with each additional decade of exposure before this age. The women exposed to acrylic fibers at work had a seven-fold increased risk of breast cancer during the time the risk was almost double among those exposed to nylon fibers and exposure to polycyclic aromatic hydrocarbons found in petroleum products before age 36 tripled the risk of breast cancer the study authors reported.

The study was published April first in the journal Occupational and Environmental Medicine. The findings are invariable with the theory that breast tissue is more sensitive to harmful chemicals whenever exposure occurs when breast cells are still active before a woman reaches her 40s the researchers noted and they added that environmental and workplace factors are thought to contribute to the increase of breast cancer in developed countries.