Bisphenol a, a common compound found in many plastics, has been listed as a toxic substance in Canada but is still deemed safe in the U.S..

双酚a，在许多塑料产品中常用的一种物质，现在已经被加拿大写在有毒物质的清单上了，但是，在美国，它仍然被认为是安全的。

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In addition to any potentially toxic effects, fragrance is routinely listed as a substance to avoid as a potential allergen, for both adults and babies.

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First, Arena Pharmaceuticals disclosed that the US Drug Enforcement Agency has listed its Belviq drug on as a Schedule IV controlled substance, which means the medicaiton has a low potential for abuse.

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