“Strong evidence” (wording used in your link) is not the same as “incontrovertible evidence.” Even if we concede the cancer risk, there are other risks that ma

“Strong evidence” (wording used in your link) is not the same as “incontrovertible evidence.” Even if we concede the cancer risk, there are other risks that may be unarticulated. (That said as someone who abstains from both alcohol and cannabis)