Authorial intrusion.

Oh sweet summer child.

Alcohol absolutely increases the risk of cancer. But yeah, 3-4 drinks a year is nothing.

https://www.cdc.gov/cancer/alcohol/index.htm

This really shouldn't be the top rated comment. Cold smoked salmon is smoked at 15-25°C for about half a day. If temperature were the key, you would achieve the same effect by just placing it on the countertop overnight.