Among coffee drinkers, the morning-type pattern was associated with more tea and caffeinated soda drinking but lower overall quantities of coffee than the all-day pattern.

Moderate tea drinking -- up to two cups a day -- was also associated with a lower dementia risk compared with no tea consumption (P <0.05). When total caffeine intake derived from coffee and tea ...

Coffee contains caffeine, a stimulant substance that is proven to increase the release of fats from the fat tissues and boost the resting metabolic rate.