I'm mainly convinced due to first-person experience, but there is also research on this: https://www.sciencedaily.com/releases/2008/10/081007123647.htm https:/

I'm mainly convinced due to first-person experience, but there is also research on this: https://www.sciencedaily.com/releases/2008/10/081007123647.htm https://www.sciencedaily.com/releases/2008/10/081007123647.h...