Cancers 12:1107 Momi N, Ponnusamy MP, Kaur S, Rachagani S, Kunigal SS, Chellappan S, Ouellette MM, Batra SK (2013) Nicotine/cigarette smoke promotes metastasis of pancreatic cancer through 7nAChR-mediated MUC4 upregulation
Winickoff, Elaine Hanby, Matthew Reynolds, Daniel Gundersen, Karen M
When used alone in highly dependent smokers (7 in the Fagerstrm test), no increase in the success rate has been demonstrated
The more they spent, the greater was their chance of having the door unlocked
Smoking cigarettes in USA
(For studies on social media exposure, which wasnt included here, there is another reverse-causality explanation, which is that social media users seek out and interact with content theyre already interested in, and the algorithms reinforce this content)