Two percent of synthetic chemicals commonly used today have been adequately tested to determine if they are mutagens, carcinogens, or teratogens.
Synthetic chemicals are man-made using methods different than those of nature's. These chemicals can also be made from natural products. Different type of synthetic chemicals include plastic products, artificial sweeteners, elastomers etc.
Synthetic chemicals can however create long-term environmental problems. They are very slow to degrade or their constant use leads to continuous release into the environment at rates exceeding degradation rates.
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