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Within three hours of being born,
出生后不到2小時
we have bacteria already starting to thrive
我們的腸道和皮膚帶有的細菌
in our intestines and on our skin.
就開始繁殖了
They make essential food for us in our large bowel.
在我們的大腸生產必要的養分
They make us vitamins.
提供維生素
The natural state of affairs
這種進化了數百萬年
that has evolved over millions of years
達到的自然狀態
is one of an exquisitely fine balance
是我們身上的細菌
between the bacteria that live on and in us, and ourselves.
和我們本身之間的精巧平衡
Antibiotics that man has made
而人們制造出抗生素
have only been here for 70 years
只是從70年前才開始
and they are so powerful.
這些抗生素強大到
That balance can with one tablet
只需一顆藥片
be completely wiped out.
這種平衡就完全被打破
Bacteria we carry with us
我們所攜帶的細菌
work alongside our immune system,
與我們自身免疫系統協同作用
helping us fight off nastier bacterial invaders.
幫助我們擊退有害細菌的入侵
But a broad-spectrum antibiotic can't
但是廣譜抗生素
distinguish the more helpful bacteria from the harmful.
無法分辨出細菌是有益還是有害的
They all get killed in the mix,
而是將它們全部清除掉
leaving you more vulnerable to other bugs.
使你更易受到其他病原的侵害
