Reducing exposure to the compounds could prevent many women from developing the disease. Experts say family history and genes are responsible for a small percentage of breast cancer cases, but the vast majority involve environmental or lifestyle factors such as diet.
The researchers named 216 chemicals that induce breast tumours in animals. Of those, people are highly exposed to 97, including industrial solvents, pesticides, dyes, petrol and diesel exhaust compounds, cosmetics ingredients, hormones, pharmaceuticals, radiation and a chemical in chlorinated drinking water.
Seventy-three of the products are in consumer products, such as 1,4-dioxane in shampoos, or are food contaminants, such as acrylamide in chips, crisps and biscuits. Thirty-five of the products are common air pollutants, and 10 are food additives.
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