Coffee Improves HDL Cholesterol Levels

Coffee is the second most commonly tradedmarkers of inflammation.
commodity in the world (following oil), and is widelyIn this study, the regular daily consumption of 8 cups
consumed around the world as the second mostof coffee per day was found to significantly reduce
popular beverage (after water). It is estimated thatthe blood levels of several proteins associated with
the coffee industry generates some $60 billion inchronic inflammation (by as much as 16 percent,
revenue every year.when compared to no coffee consumption).
In the United States, coffee drinkers consume anMoreover, HDL cholesterol levels increased by 7
average of 3 cups of this caffeine-loaded beveragepercent during the final phase of this study (when
each day. (Slightly more than 50 percent ofcompared to the "no coffee" first phase), when the
Americans drink coffee on a daily basis, while anotherresearch volunteers were consuming 8 cups of
30 percent of the population drinks coffee on ancoffee per day (and the ratio between LDL
occasional basis.)cholesterol and HDL cholesterol decreased by 8
Many health claims have been for coffee, althoughpercent during the final phase of this study). At the
few have withstood the scrutiny of serious research.same time, although previous research has suggested
However, previous research studies have suggestedthat coffee consumption may improve glucose
that regular coffee consumption may reducecontrol in diabetics, there was no evidence of
inflammation in the body, and increase HDL levelsimproved glucose metabolism or blood-glucose levels
(HDL is also known as "the good cholesterol"). Awith increasing coffee intake in this particular study.
newly published clinical research study, in theTherefore, this intriguing little prospective clinical
American Journal of Clinical Nutrition, has evaluatedresearch study revealed that drinking 8 cups of
these claims, and the results of this research studycoffee per day appeared to decrease the level of
will be of considerable interest to coffee loversinflammation-associated proteins in the body, while
everywhere.also increasing levels of heart-healthy LDL cholesterol
In this study, 47 volunteers who regularly consumedin the blood. However, this small and brief study
coffee were evaluated. During the first month of thiscannot answer the very important question of
study, these research volunteers refrained fromwhether or not these observed biochemical changes
drinking coffee. During the second month of thisin the blood will actually translate into improved health.
study, each volunteer consumed 4 cups of filteredNonetheless, this study's finding that HDL cholesterol
coffee per day (each cup contained 150 ml oflevels increase with regular daily coffee intake may
coffee). Finally, during the third month of this study,indeed be good news for folks with
each volunteer consumed a nerve-jangling 8 cups ofmildly-to-moderately decreased HDL levels. Longer
filtered coffee per day! Blood samples were collectedterm prospective clinical studies will be necessary,
throughout this research study, and were tested forhowever, to quantify the actual health benefit, if any,
total cholesterol, HDL cholesterol, LDL cholesterol (theof regular coffee consumption.
"bad cholesterol"), and caffeine, as well as for several