Right now I’m enjoying my daily dose of morning joe. As the steam rises off the cup, the dark, rich liquid triggers a powerful enzyme cascade that jump-starts my brain and central nervous system, delivering potent glints of perspicacity into the dark crevices of my still-dormant consciousness.

Feels good, yeah! But is it good for me? Let’s see what the studies say:
• Drinking more than four cups of coffee per day is associated with a higher risk of death from all causes.
• Drinking coffee is inversely associated with the mortality risk, with those drinking four cups a day having the lowest risk of death from all causes.
• Drinking two to four cups of coffee a day is associated with a higher risk of cardiovascular disease.
• Drinking three and a half cups of coffee per day is associated with a lower risk of cardiovascular disease.

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