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小心：你喝的水安全嗎？

作者：杏林一虹於 2010-11-9 07:57 發表於最熱鬧的華人社交網路--貝殼村

通用分類:熱點雜談|已有60評論

在臨床上工作這段時間，我驚奇地發現，在這裡有甲狀腺問題，特別是甲狀腺功能低下的病人出乎意料的多，其中猶於中年女性居多。很多來就診的患者，即使血液檢查數據在正常範圍，但也有著很多甲低的臨床表現，例如：疲倦、體重不明原因增加、甲狀腺腫大、脫髮、性慾低下、不孕、四肢發冷等等，這使我覺得非常奇怪。

今天與一個同行，也是我的病人之一討論這個問題，才知道問題的癥結所在。她在臨床中也注意到有太多的甲狀腺功能異常病人，而她自己也長期受到疲倦、精力不足等問題的困擾（其實我也一樣），後來偶然間她發現我們本地用水是經過氟化處理的（fluorinate)。這種情況從1955年開始，至今已有55年之久。於是她開始服用碘劑，各樣癥狀立刻得到改善。

長期以來，人們都只是注意氟化物對牙齒和骨骼的影響，而其對軟組織特別是甲狀腺功能的影響近年來才引起注意。雖然其作用機制尚在研究中，但有人認為氟化物與氯化物都會嚴重影響甲狀腺對碘的攝取，影響甲狀腺素的生成而導致甲狀腺功能紊亂。

從上世紀初開始，北美很多地方的用水都是經過氟化處理（而且是用的工業用氟化物），以預防蛀牙，目前有的地區已經停止，有的地區依然使用。想到村中廣大朋友的健康，特寫此文與大家分享，希望大家最好注意一下當地的生活用水情況（可以查看水費賬單或打電話去詢問），若是經過氟化處理的，最好多吃海帶製品，並去檢查一下體內碘的含量，若過低則可適當使用碘劑以增加碘的攝入，以免對我們的健康造成損害。氟化物對兒童的健康成長危害很大。雖然飲用水中的濃度不大，但它會在體內留存，長期攝入在一定程度上會影響人們的健康。

此文並非科學論文，只是一個觀察了解，歡迎大家討論，若有相關資料更加歡迎，因為我準備做進一步的研究了解並加入這裡的一個group去說服供水公司將氟從我們的生活用水中去掉。

另附幾篇有關氟對人體甲狀腺以及身體其它系統的影響的論文，有興趣者可以查考，謝謝！！

http://www.studa.net/yixue/060518/15095977.html

http://dbpub.cnki.net/grid2008/unis/Detail.aspx?dbName=SNAD&FileName=SNAD000001174254

http://www.chemdrug.com/databases/7_18_odxqvdarfrmwrelb.html

http://www.zkxww.com/PAPERS/lunwen/yiyao/lcyx/200903/50943.html

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回復 ww_719 2010-11-9 08:13: 謝謝提醒,還真可能呢!!!
我看有一篇文章,說豆獎已經是轉基因食品了,女性吃多了,好象甲狀腺也容易出現問題,請看這個:
朋友告訴我美國的豆漿多是轉基因的，吃了會引起甲狀腺問題。看了他給的鏈接，實在可怕。似乎黃豆是不能吃的啦！這是其中一段：
Why All Organic Soy is NOT the Answer Either

All of that said, even if you were fortunate enough to find organic soy,
there are still several other significant concerns with unfermented soy
that make it far from attractive from a health standpoint.

Soy contains a number of problematic components that can wreak havoc
with your health, such as:

Goitrogens – Goitrogens, found in all unfermented soy whether it's
organic or not, are substances that block the synthesis of thyroid
hormones and interfere with iodine metabolism, thereby interfering with
your thyroid function.

One common source of soy is soy milk. Many consume it as an alternative
to milk or one of their primary beverages. Soy milk is a significant
contributor to thyroid dysfunction or hypothyroidism in women in the US.

So if you're a woman struggling with low thyroid function and you're
consuming soy milk, that's a giant clue you need to stop drinking it
immediately.

Isoflavones: genistein and daidzein – Isoflavones are a type of
phytoestrogen, which is a plant compound resembling human estrogen,
which is why some recommend using soy therapeutically to treat symptoms
of menopause. I believe the evidence is highly controversial and doubt
it works.

Typically, most of us are exposed to too much estrogen compounds and
have a lower testosterone level than ideal, so it really is important to
limit exposure to feminizing phytoestrogens.

Even more importantly, there's evidence it may disturb endocrine
function, cause infertility, and promote breast cancer, which is
definitely a significant concern.

Drinking two glasses of soy milk daily for just one month provides
enough of these compounds to alter your menstrual cycle. Although the
FDA regulates estrogen-containing products, no warnings exist on soy.

Phytic acid -- Phytates (phytic acid) bind to metal ions, preventing the
absorption of certain minerals, including calcium, magnesium, iron, and
zinc -- all of which are co-factors for optimal biochemistry in your
body. This is particularly problematic for vegetarians, because eating
meat reduces the mineral-blocking effects of these phytates.

Sometimes it can be beneficial, especially in postmenopausal women and
in most adult men because we tend to have levels of iron that are too
high which can be a very potent oxidant and cause biological
stress.However, phytic acid does not necessarily selectively inhibit
just iron absorption; it inhibits all minerals. This is very important
to remember, as many already suffer from mineral deficiencies from
inadequate diets.

The soybean has one of the highest phytate levels of any grain or
legume, and the phytates in soy are highly resistant to normal phytate-
reducing techniques such as long, slow cooking. Only a long period of
fermentation will significantly reduce the phytate content of soybeans.

Natural toxins known as "anti-nutrients" -- Soy also contains other
anti-nutritional factors such as saponins, soyatoxin, protease
inhibitors, and oxalates. Some of these factors interfere with the
enzymes you need to digest protein. While a small amount of anti-
nutrients would not likely cause a problem, the amount of soy that many
Americans are now eating is extremely high.
Hemagglutinin -- Hemagglutinin is a clot-promoting substance that causes
your red blood cells to clump together. These clumped cells are unable
to properly absorb and distribute oxygen to your tissues.

有興趣的不妨看全文和視頻：

http://articles.mercola.com/sites/articles/archive/2010/10/13/soy-

回復 xqw63 2010-11-9 08:34: 咱同意吃海產品補碘的說法，但氟化水導致人體傷害（尤其是甲狀腺的傷害）根據不足，查了一下文章，氟化水已經使用半個多世紀，如果造成甲狀腺傷害應該早有報道，樓主所列出的文章是高氟導致的人體傷害，是屬於職業病和地方病的範疇了，氟化水中加的氟沒有那麼高的濃度。
這裡有一篇文章，解釋得比較全面
http://en.wikipedia.org/wiki/Water_fluoridation

回復 Matney 2010-11-9 08:35: 謝謝你提醒, 明天就去找醫生給檢查一下, 怎麼那些癥狀好像我都有.

回復杏林一虹 2010-11-9 08:44: xqw63: 咱同意吃海產品補碘的說法，但氟化水導致人體傷害（尤其是甲狀腺的傷害）根據不足，查了一下文章，氟化水已經使用半個多世紀，如果造成甲狀腺傷害應該早有報道，
謝謝補充，但問題是水中的氟會影響甲狀腺對碘的吸收，長期如此則有可能導致甲狀腺功能異常。

我的病人幾乎70-80都有甲狀腺問題，不管是因為什麼原因來就診。這比例實在太高了。

回復任飛飛 2010-11-9 09:06: 我們吃的鹽都是加碘的，不知夠不夠

回復 jiandao 2010-11-9 09:12: Matney: 謝謝你提醒, 明天就去找醫生給檢查一下, 怎麼那些癥狀好像我都有.
瞎湊熱鬧！

回復杏林一虹 2010-11-9 09:12: 任飛飛: 我們吃的鹽都是加碘的，不知夠不夠
這裡還有個體差異，不是每個人都會受影響，如果有癥狀就去查一下，沒有也不必緊張。

回復 jiandao 2010-11-9 09:13: thanks for sharing

回復杏林一虹 2010-11-9 09:14: jiandao: thanks for sharing
不客氣，只是一個提醒，希望對大家有所幫助

回復 xqw63 2010-11-9 09:19: 杏林一虹: 謝謝補充，但問題是水中的氟會影響甲狀腺對碘的吸收，長期如此則有可能導致甲狀腺功能異常。

我的病人幾乎70-80都有甲狀腺問題，不管是因為什麼原因來就診。這
你的資料不夠全面，牙膏裡面也有氟，而影響甲狀腺功能很多情況下未必是氟的原因，有很多因素可以影響甲狀腺功能，按您的邏輯，這些吃了氟化水地區的人就不應該有甲亢，但事實是，甲亢病人也不少。
只有流行病學調查才能得出正確的結論，需要把飲用氟化水和非飲用氟化水地區的相同年齡、性別、生活習慣（比如使用含氟牙膏、吃碘鹽、吃海產品習慣、土地含氟量等等）進行分組，如果發現在這些影響因素相同的情況下，飲用氟化水人群甲低，才能得出您文章的結論。

回復杏林一虹 2010-11-9 09:27: xqw63: 你的資料不夠全面，牙膏裡面也有氟，而影響甲狀腺功能很多情況下未必是氟的原因，有很多因素可以影響甲狀腺功能，按您的邏輯，這些吃了氟化水地區的人就不應該有
完全同意你的觀點。

我只是說氟會影響碘的吸收而有可能導致甲低，而並未做任何結論，因為如你所說那是要進一步調查才行。

回復 xqw63 2010-11-9 09:31: 杏林一虹: 完全同意你的觀點。

我只是說氟會影響碘的吸收而有可能導致甲低，而並未做任何結論，因為如你所說那是要進一步調查才行。
剛看你的文章，嚇一跳，趕緊股溝，看了一些英文文章，發現問題沒那麼嚴重，也許根本沒有問題，所以，就留言了

回復 TCM 2010-11-9 09:39: 要進一步調查

回復杏林一虹 2010-11-9 09:44: xqw63: 剛看你的文章，嚇一跳，趕緊股溝，看了一些英文文章，發現問題沒那麼嚴重，也許根本沒有問題，所以，就留言了
我剛查到一篇文章，請你看看。

http://www.rense.com/general57/FLUR.HTM

There are 141 million Europeans are at risk; only 5 European countries are iodine sufficient. UK now falls into the marginal and focal category. Professor Hume recently produced figures to show that 40% of pregnant women in the Tayside region of Scotland were deficient by at least half of the iodine required for a normal pregnancy. A relatively high level of missing, decayed, filled teeth was noted in this non-fluoridated area, suggesting that the iodine deficiency was causing early hypothyroidism which interferes with the health of teeth. Dare one speculate on the result of now fluoridating the water?

Displaces iodine in the body

These figures would be worrying enough, since they mean that iodine deficiency, which results in hypothyroidism (thyroid hormone cannot be manufactured without iodine) is likely to affect huge numbers of people. What makes it infinitely worse, is that fluorine, being a halogen (chemically related to iodine), but very much more active, displaces iodine. So that the uptake of iodine is compromised by the ejection, as it were, of the iodine by fluorine. To condemn the entire population, already having marginal levels of iodine, to inevitable progressive failure of their thyroid system by fluoridating the water, borders on criminal lunacy.
I would like to place a scenario in front of those colleagues who favour fluoridation. A new pill is marketed. Some trials not all together satisfactory, nevertheless, show a striking improvement in dental caries. Unfortunately, it has been found to be thyrotoxic, mutagenic, immunosuppressive, cause arthritis and infertility in comparatively small doses over a relatively short period of time.

Do you think it should be marketed?
Fluoridation of the nation's water supply will do little for our dental health; but will have catastrophic effects on our general health. We cannot, must not, dare not, subject our nation to this appalling risk.