In this Reactions bonus video, find out what scientists believe causes morning sickness in pregnant women.

What causes morning sickness?

After several years and millions of views, the American Chemical Society (ACS), the world’s largest scientific society, is bidding farewell to its popular YouTube series Bytesize Science. But you can’t keep a great chemistry video series down for long. We’re proud to announce Reactions, a new weekly video series about the chemistry all around us.  For more Reactions videos, please check out our Youtube channel at: https://www.youtube.com/user/ACSReactions/featured

Natural Sciences

After several years and millions of views, the American Chemical Society (ACS), the world’s largest scientific society, is bidding farewell to its popular YouTube series Bytesize Science. But you can’t keep a great chemistry video series down for long. We’re proud to announce Reactions, a new weekly video series about the chemistry all around us. For more Reactions videos, please check out our Youtube channel at: https://www.youtube.com/user/ACSReactions/featured

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What causes morning sickness?

What causes morning sickness?