Coffee quiz
Coffee quiz
Great news for those who go on daily coffee jags: A recent study published in The American Journal of Clinical Nutrition reports that the life-giving brew does not boost blood pressure. Take our quiz on what this and other studies have found about that cup of joe -- particularly if it's always attached to your hand.

The AJCN study says there's no appreciable difference in hypertension risk even for people who drank how many cups of coffee per day?

1. 3
2. 5
3. 11
Four cups of coffee a day
In a study of 12,204 middle-aged coffee drinkers, those who reported drinking four or more cups daily had a lower risk of developing what condition, compared with those who "almost never" drink coffee.

1. Type 2 diabetes
2. Arthritis
3. Kidney failure
Three cups of coffee a day
True or false: People who reported drinking one to three cups of coffee per day were 20 percent more likely to be hospitalized for abnormal heart rhythms (arrhythmias) than nondrinkers.
Five cups of coffee a day
A 2009 Scandinavian study showed that people who consumed three to five cups of coffee daily were what percentage less likely to develop dementia and Alzheimer's disease compared with nondrinkers?

1. 25 percent
2. 35 percent
3. 65 percent
High coffee consumption
In study results that may seem surprising, high coffee consumption also decreases the chances of what type of cancer?

1. Prostate
2. Liver
3. Bladder