Bisphenol A or BPA is considered an endocrine disruptor because it can mimic estrogen. New research suggests it may also have an impact on the thyroid gland. Scientists measured BPA levels in pregnant women and then tested the mothers and their newborn babies for thyroid function. Higher BPA levels in the second half of pregnancy were associated with lower levels of thyroid hormone. Male infants had higher levels of thyroid hormone when BPA was elevated late in pregnancy. This was measured through TSH, or thyroid stimulating hormone. BPA is a plasticizer found in polycarbonate containers and the linings of cans, cash register receipts and water supply pipes.
[Environmental Health Perspectives, online Oct. 4, 2012]

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  1. Penny H.
    Reply

    My question is – how long has BPA been in use? I have had breast cancer twice and have been on thyroid medication for almost 50 years. I started avoiding canned goods as well as plastic containers about a year ago but I know that plastic pipes may contain BPA and wonder if I should start using bottled water. Also, I live in a retirement community and they serve a meal for residents daily. I try to avoid anything I think might come from cans such as tomato sauces that contain crushed or diced tomatoes but it is hard to determine what other canned goods they are using.

  2. adc
    Reply

    Has any research gone into discovering if BPA is present in the poly bags that we buy for food storage or the plastic wrap we use to cover foods? I’m interested as I have been trying to stop using plastic containers, but have wondered about this other form of plastic many of us use on a daily basis.

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