That's true, but I'm not sure such a link has ever been established. Is there any study that has found measurable variance in cancer or infection outcomes based on differences in mental outlook?
In short, yes! Mental outlook has a big effect on outcomes. It won’t cure you, but it will improve your physical outcomes.
This is the meta analysis they refer to:
Rozanski A, Bavishi C, Kubzansky LD, Cohen R. Association of optimism with cardiovascular events and all-cause mortality: a systematic review and meta-analysis. JAMA Netw Open. 2019;2(9):e1912200. doi:10.1001/jamanetworkopen.2019.12200
In short, yes! Mental outlook has a big effect on outcomes. It won’t cure you, but it will improve your physical outcomes.
This is the meta analysis they refer to: Rozanski A, Bavishi C, Kubzansky LD, Cohen R. Association of optimism with cardiovascular events and all-cause mortality: a systematic review and meta-analysis. JAMA Netw Open. 2019;2(9):e1912200. doi:10.1001/jamanetworkopen.2019.12200