Apparently, in some people smoking cigarettes promotes caffeine breakdown. So 6-8 cups of coffee recommended by this article may not be for everyone. https://p

Apparently, in some people smoking cigarettes promotes caffeine breakdown. So 6-8 cups of coffee recommended by this article may not be for everyone. https://ps.psychiatryonline.org/doi/full/10.1176/appi.ps.55.5.491 https://ps.psychiatryonline.org/doi/full/10.1176/appi.ps.55....