Comment on Is everything we eat associated with cancer? A systematic cookbook reviewparentComments−copperx7yI don't have a link to the study, but the researchers of the study I read were very meticulous and did discard all other obvious explanations before concluding that altitude was the best explanation.
Comments
I don't have a link to the study, but the researchers of the study I read were very meticulous and did discard all other obvious explanations before concluding that altitude was the best explanation.