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Grape Juice Raises 'Good' Cholesterol Levels

Drinking Grape Juice May Also Reduce Inflammation Linked to Heart Disease
By
WebMD Health News

Nov. 19, 2004 -- Move over, wine. Nonalcoholic grape juice may also be heart-friendly, raising levels of HDL ("good") cholesterol, according to a new study.

The findings are reported in a letter to the editor of the November edition of Arteriosclerosis, Thrombosis, and Vascular Biology.

The study was conducted by researchers including Jane Freedman, MD, associate professor of medicine and pharmacology at Boston University's medical school and was partially funded by an unrestricted grant from grape juice maker Welch's.

Freedman and colleagues studied 17 men and three women with previously diagnosed heart disease. Participants were 63 years old, on average. Ten had high blood pressure and four were current smokers.

The patients were taking standard treatments for their heart problems including aspirin therapy. Blood tests were done looking at their fasting cholesterol and good HDL values at each visit.

The participants were assigned to drink either purple Concord grape juice or a placebo beverage for 14 days. Afterward, they abstained from both drinks for 14 days. Finally, they repeated the test using whichever drink they hadn't already tried.

"Good" HDL levels "significantly increased" in participants when they drank grape juice, write the researchers.

Grape juice drinkers had HDL levels of 50 mg/dL, compared with almost 45 mg/dL in the placebo group. An HDL level below 40 mg/dL is considered a risk factor for heart disease.

The grape juice group also had lower levels of two indicators of inflammation: superoxide and soluble CD40 ligand. Inflammation plays a key role in atherosclerosis, or hardening of the arteries.

Soluble CD40 ligand is thought to contribute to the development of atherosclerosis and vascular inflammation, says Freedman in a news release.

Other indicators of inflammation weren't affected, probably because patients were already taking aspirin to fight inflammation.

The results suggest that alcohol-free grape juice might provide some of the cardiovascular benefits seen in studies of wine.

"There has been great interest in the possible benefits of drinking red wine for people with cardiovascular disease. But it has been offset, to a certain extent, by concerns about promoting alcohol consumption," says Freedman in the news release. This has led to the exploration of non- alcoholic grape products.

This is the first study to show its positive effect on CD40 ligand, an emerging indicator of heart disease, even in people already on aspirin.

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Your total cholesterol level is Borderline High. But your level of "bad" LDL cholesterol is Very High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol is High, but your level of "bad" LDL cholesterol is optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have elevated secondary lipids, such as non-HDL particles that increase the risk of heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol is High, but your level of "bad" LDL cholesterol is near optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have elevated secondary lipids, such as non-HDL particles that increase the risk of heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is High. Your level of "bad" LDL cholesterol is Borderline High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is High. Your level of "bad" LDL cholesterol is High, too. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels! If you are struggling to bring down your total cholesterol and LDL cholesterol levels, your doctor may prescribe medication, such as statins. Following medication, dietary, and exercise instructions should result in improvements.

Your total cholesterol level is High, and your level of "bad" LDL cholesterol is Very High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels! If you are struggling to bring down your total cholesterol and LDL cholesterol levels, your doctor may prescribe statins or other cholesterol-lowering medications.

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