What health effect is associated with Trihalomethanes (THMs) exposure?

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Multiple Choice

What health effect is associated with Trihalomethanes (THMs) exposure?

Trihalomethanes are disinfection by-products formed when chlorine reacts with natural organic matter in drinking water. Long-term exposure to THMs is associated with cancer risk and potential adverse birth outcomes. Studies have found links to cancers such as bladder cancer and have suggested associations with outcomes like low birth weight when exposure occurs during pregnancy. These are systemic, chronic risks rather than immediate effects like liver failure or only skin irritation, which is why describing THMs as possibly carcinogenic with potential adverse birth outcomes best fits what is known about their health effects.

Trihalomethanes are disinfection by-products formed when chlorine reacts with natural organic matter in drinking water. Long-term exposure to THMs is associated with cancer risk and potential adverse birth outcomes. Studies have found links to cancers such as bladder cancer and have suggested associations with outcomes like low birth weight when exposure occurs during pregnancy. These are systemic, chronic risks rather than immediate effects like liver failure or only skin irritation, which is why describing THMs as possibly carcinogenic with potential adverse birth outcomes best fits what is known about their health effects.

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