I can't read the article, but the fact that they include suicide in the list indicates a strong possiblity that they did not control for socioeconomic factors.
Maybe richer people drink more coffee, and also tend to die less?
Sorry if it's an easy critique but it's hard to believe the substance that basically only raises your heart rate is actually doing anything (good) long term.
Maybe richer people drink more coffee, and also tend to die less?
Sorry if it's an easy critique but it's hard to believe the substance that basically only raises your heart rate is actually doing anything (good) long term.