Thyroid hormones are critical to a baby's growth and brain development.

而甲状腺激素对婴儿的生长和脑部发育至关重要。

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But they theorize that it may be because the chemicals disrupt thyroid hormones, which are critical to an infant's brain development.

不过他们推测，可能是因为这些化学物质破坏了甲状腺激素，而甲状腺激素对于婴儿大脑的发育至关重要。

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In addition to reproductive effects, animal tests have found that PBDEs can alter brain development and thyroid hormones, which regulate growth and development of cells and many key bodily functions.

除了生育影响以外，对于动物的测试还发现，多溴二苯醚会影响脑部发育和甲状腺激素，而该激素控制细胞的生长发育及人体其他机能。

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Damage seems to stem from dioxin's interference with crucial biochemical messengers such as the thyroid hormones, which regulate metabolism and help the brain to develop.

CNN: THE GREAT DIOXIN SCARE

So this is a kind of trick for flogging the brain and the pituitary and the thyroid to dump out a lot of their respective hormones.

ECONOMIST: People, like all living things, are four dimensional