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Ngày đăng: 05/08/2016

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If you’ve ever been pregnant, or been around a pregnant lady, you know
that the agony that is morning sickness -- and it’s not just something
that happens in the morning! SciShow explains the many theories about
what causes it. Hosted by: Hank Green ---------- Like SciShow? Want to
help support us, and also get things to put on your walls, cover your
torso and hold your liquids? Check out our awesome products over at
DFTBA Records: Or help support us by
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