Alcohol and the Human Body: Part 1 (1949)
An excerpt from Alcohol and the Human Body, a 1949 production of Encyclopædia Britannica Films.
Encyclopædia Britannica, Inc.
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© American Chemical Society (A Britannica Publishing Partner)Learn about caffeine's effects on the human body.
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Encyclopædia Britannica, Inc.Resist the urge to grab a cotton swab.
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© Massachusetts Institute of Technology (A Britannica Publishing Partner)Developing multifunctional fibers to deliver optical signals or drugs directly into the brain and to record neural activity.
