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 some
(more)
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
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