However, the study showed no significant association between coffee consumption and prevalence of metabolic syndrome for Japanese women.

According to company figures, coffee consumption in the United States has dropped 24 percent since 1963.

Some studies show that cardiovascular risk also decreases with coffee consumption.

This improvement in quality and the explosion of new brands come at a time when coffee consumption has been declining.

Soon after, however, another study linked heavy coffee consumption to bladder cancer in nonsmokers.

Extensive scientific research has been conducted to examine the relationship between coffee consumption and an array of medical conditions.

A review published in 2004 indicated a negative correlation between suicide rates and coffee consumption.

The editorial said moderate coffee consumption had not been shown to be harmful.

Moderate coffee consumption is associated with a decreased risk.

Towards the middle of the 19th century, coffee consumption was growing due to falling prices from increased global production.