After doing so they found that people with a medium level of coffee intake — two to three cups per day — showed the greatest gains in life span, compared to people who never drank coffee.
The type of coffee seemed to matter a bit: Folks who drank ground coffee had 27% lower odds of dying during the study period; those who drank decaf coffee had 14% lower odds; and those who drank instant had 11% lower odds.during the course of the study. But again, this was 20% less likely to happen among people who drank two to three cups of ground coffee per day, and 9% and 6% less likely among those who drank a similar amount of instant or decaffeinated coffee, respectively.
Coffee drinking was also significantly associated with a decline in a person's risk for cardiac arrhythmias. That includes
Source: Healthcare Press (healthcarepress.net)