![](https://www.diabetesnews.com/wp-content/uploads/2013/08/BPA_bottle_1-150x150.jpg)
Researchers found urine levels of one type of phthalate, used to soften plastic, were tied to a higher risk of insulin resistance among teenagers. Based on data from the same large nutrition survey, another study group linked bisphenol A, or BPA – used to line aluminum cans – to obesity and larger waists in youth.
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