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There are observed biases based on blood type

https://pubmed.ncbi.nlm.nih.gov/15311477/

I'm O negative and have always seemed to get the worst of it when out when friends.

I recently took up cigar smoking (yes i know) and anecdotally have found that I don't get bit as often if I've been smoking recently...to the point of watching someone six feet from me get destroyed while they avoid me completely. My father-in-law has been smoking for 50+ years and they ignore him.




They avoid you only when you smoke or in general, also when you don't smoke?


Definitely noticed that they weren't attacking me the day after I smoked last.




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