Uploaded July 2013 | Updated September 2026, 7 hours ago
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How much coffee is too much coffee?
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Written and Illustrated by Dwayne Godwin and Jorge Cham
Animated by Jorge Cham
Narrated by Meg Rosenburg
Comic originally published in Scientific American Mind
NOTES: It would be hard - maybe impossible - to OD on coffee. You'd likely vomit before a toxic level was reached. But the equivalent caffeine from pills has been fatal. Caffeine pills cause most caffeine-related ER deaths because of what they do to your heart. Some links:
huffingtonpost.com/kristin-kirkpatrick-ms-rd-ld/coffee-health-benefits_b_2962490.html
iospress.metapress.com/content/d885346618q57103/?genre=article&issn=1387-2877&volume=16&issue=1&spage=85
newswise.com/articles/moderate-coffee-consumption-offers-protection-against-heart-failure
nejm.org/doi/full/10.1056/NEJMoa1112010
Our new PODCAST: link.podtrac.com/SciStuff_PHD_Comics
ORDER our new book: tinyurl.com/OutMindBook
How much coffee is too much coffee?
Subscribe to PHD TV: youtube.com/subscription_center?add_user=phdcomics
More at: phdcomics.com/tv
Written and Illustrated by Dwayne Godwin and Jorge Cham
Animated by Jorge Cham
Narrated by Meg Rosenburg
Comic originally published in Scientific American Mind
NOTES: It would be hard - maybe impossible - to OD on coffee. You'd likely vomit before a toxic level was reached. But the equivalent caffeine from pills has been fatal. Caffeine pills cause most caffeine-related ER deaths because of what they do to your heart. Some links:
huffingtonpost.com/kristin-kirkpatrick-ms-rd-ld/coffee-health-benefits_b_2962490.html
iospress.metapress.com/content/d885346618q57103/?genre=article&issn=1387-2877&volume=16&issue=1&spage=85
newswise.com/articles/moderate-coffee-consumption-offers-protection-against-heart-failure
nejm.org/doi/full/10.1056/NEJMoa1112010










