It’s hard to say 'no' to puppy eyes, so here’s some information you can share with your pets next time you unwrap that chocolate bar

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Sources:

https://www.degruyter.com/downloadpdf/j/intox.2009.2.issue-3/v10102-009-0012-4/v10102-009-0012-4.pdf
http://www.petmd.com/dog/chocolate-toxicity
https://www.apsnet.org/edcenter/intropp/topics/Pages/OverviewOfPlantDiseases.aspx
https://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@[email protected]+7332
https://www.wired.com/2013/02/the-poisonous-nature-of-chocolate/
http://kb.rspca.org.au/why-is-chocolate-toxic-to-dogs-and-other-pets_476.html
https://www.scientificamerican.com/article/strange-but-true-cats-cannot-taste-sweets/
https://www.britannica.com/science/alkaloid
http://www.epharmacognosy.com/2012/07/introduction-of-alkaloids.html
https://www.britannica.com/science/nicotine
http://www.chem.ucla.edu/~harding/IGOC/A/alkaloid.html
https://scienceandfooducla.wordpress.com/2015/09/29/caffeine-vs-chocolate-a-mighty-methyl-group/