Alcohol and Heart Disease
Alcohol and Heart Disease
- Updated:Mon, 13 Feb 2012 10:22:00 AM
Alcohol & Cardiovascular Disease
Research is being done to find out what the apparent benefits of drinking wine or alcohol in some populations may be due to, including the role of antioxidants, an increase in HDL ("good") cholesterol or anti-clotting properties. Clinical trials of other antioxidants such as vitamin E have not shown any cardio-protective effect. Also, even if they were protective, antioxidants can be obtained from many fruits and vegetables, including red grape juice.
The best-known effect of alcohol is a small increase in HDL cholesterol. However, regular physical activity is another effective way to raise HDL cholesterol, and niacin can be prescribed to raise it to a greater degree. Alcohol or some substances such as resveratrol found in alcoholic beverages may prevent platelets in the blood from sticking together. That may reduce clot formation and reduce the risk of heart attack or stroke. (Aspirin may help reduce blood clotting in a similar way.) How alcohol or wine affects cardiovascular risk merits further research, but right now the American Heart Association does not recommend drinking wine or any other form of alcohol to gain these potential benefits. The AHA does recommend that to reduce your risk you should talk to your doctor about lowering your cholesterol and lowering high blood pressure, controlling your weight, getting enough physical activity and following a healthy diet. There is no scientific proof that drinking wine or any other alcoholic beverage can replace these conventional measures.
Read a study that finds most Americans don’t understand health effects of wine and sea salt.
AHA Recommendation
If you drink alcohol, do so in moderation. This means an average of one to two drinks per day for men and one drink per day for women. (A drink is one 12 oz. beer, 4 oz. of wine, 1.5 oz. of 80-proof spirits, or 1 oz. of 100-proof spirits.) Drinking more alcohol increases such dangers as alcoholism, high blood pressure, obesity, stroke, breast cancer, suicide and accidents. Also, it's not possible to predict in which people alcoholism will become a problem. Given these and other risks, the American Heart Association cautions people NOT to start drinking ... if they do not already drink alcohol. Consult your doctor on the benefits and risks of consuming alcohol in moderation.
If you drink alcohol, do so in moderation. This means an average of one to two drinks per day for men and one drink per day for women. (A drink is one 12 oz. beer, 4 oz. of wine, 1.5 oz. of 80-proof spirits, or 1 oz. of 100-proof spirits.) Drinking more alcohol increases such dangers as alcoholism, high blood pressure, obesity, stroke, breast cancer, suicide and accidents. Also, it's not possible to predict in which people alcoholism will become a problem. Given these and other risks, the American Heart Association cautions people NOT to start drinking ... if they do not already drink alcohol. Consult your doctor on the benefits and risks of consuming alcohol in moderation.
What are the cardiovascular risks associated with drinking alcohol?
Drinking too much alcohol can raise the levels of some fats in the blood (triglycerides). It can also lead to high blood pressure, heart failure and an increased calorie intake. (Consuming too many calories can lead to obesity and a higher risk of developing diabetes.) Excessive drinking and binge drinking can lead to stroke. Other serious problems include fetal alcohol syndrome, cardiomyopathy, cardiac arrhythmia and sudden cardiac death.
What about red wine and heart disease?
Over the past several decades, many studies have been published in science journals about how drinking alcohol may be associated with reduced mortality due to heart disease in some populations. Some researchers have suggested that the benefit may be due to wine, especially red wine. Others are examining the potential benefits of components in red wine such as flavonoids and other antioxidants in reducing heart disease risk. Some of these components may be found in other foods such as grapes or red grape juice. The linkage reported in many of these studies may be due to other lifestyle factors rather than alcohol. Such factors may include increased physical activity, and a diet high in fruits and vegetables and lower in saturated fats No direct comparison trials have been done to determine the specific effect of wine or other alcohol on the risk of developing heart disease or stroke.
Read a study that finds most Americans don’t understand health effects of wine and sea salt.
Read a study that finds most Americans don’t understand health effects of wine and sea salt.
Are there potential benefits of drinking wine or other alcoholic beverages?
Research is being done to find out what the apparent benefits of drinking wine or alcohol in some populations may be due to, including the role of antioxidants, an increase in HDL ("good") cholesterol or anti-clotting properties. Clinical trials of other antioxidants such as vitamin E have not shown any cardio-protective effect. Also, even if they were protective, antioxidants can be obtained from many fruits and vegetables, including red grape juice.
The best-known effect of alcohol is a small increase in HDL cholesterol. However, regular physical activity is another effective way to raise HDL cholesterol, and niacin can be prescribed to raise it to a greater degree. Alcohol or some substances such as resveratrol found in alcoholic beverages may prevent platelets in the blood from sticking together. That may reduce clot formation and reduce the risk of heart attack or stroke. (Aspirin may help reduce blood clotting in a similar way.) How alcohol or wine affects cardiovascular risk merits further research, but right now the American Heart Association does not recommend drinking wine or any other form of alcohol to gain these potential benefits. The AHA does recommend that to reduce your risk you should talk to your doctor about lowering your cholesterol and lowering high blood pressure, controlling your weight, getting enough physical activity and following a healthy diet. There is no scientific proof that drinking wine or any other alcoholic beverage can replace these conventional measures.
Read a study that finds most Americans don’t understand health effects of wine and sea salt.
What about alcohol and pregnancy?
Pregnant women shouldn't drink alcohol in any form. It can harm the baby seriously, including causing birth defects.
What about alcohol and aspirin?
There is a risk of stomach problems, including stomach bleeding, for people who take aspirin regularly. Alcohol use can increase these stomach risks, so ask your doctor if it is safe for you to drink alcohol in moderation.
I drink every day, but not that much. Is that unhealthy?
If you drink, do so in moderation. The incidence of heart disease in those who drink moderate amounts of alcohol (no more than two drinks per day for men or one drink per day for women) is lower than in nondrinkers. However, with increased intake of alcohol, there are increased health dangers including high blood pressure, obesity, stroke,. If you're a heavy drinker, statistics show that cutting back can help reduce your stroke risk. Be informed about the risks when you take a drink and take steps to prevent stroke from happening to you or someone you love.
I have heard that drinking a glass of wine a day is good for the heart. Is this true if you have diabetes? Are the benefits of alcohol limited to wine or can I drink other types of alcohol? Can alcohol have an adverse effect on my glucose levels?
Prakash Deedwania, chief of the cardiology division and professor of medicine at the University of California, San Francisco School of Medicine explains:
Drinking a glass of wine is good for the heart in the sense that the main mechanism by which alcohol protects the heart is increasing good cholesterol. The grape skin provides flavonoids and other antioxidant substances that protect the heart and vessels from the damaging effects of free oxygen radicals produced by our body. This is particularly true for diabetics because they have been shown to have a high production of free oxygen radicals. But we don’t have any evidence specifically related to diabetes patients.
A glass of wine can also help individuals relax. The strongest evidence is in favor of wine, but some evidence recently showed beer and other types of alcohol may provide the same benefits related to increasing good cholesterol (HDL).
In general, alcohol does not seem to have an adverse effect, unless an excessive amount is used — and it increases calories, among other things. For example, excessive amounts of alcoholic consumption could be harmful by increasing the risk of high blood pressure, for which diabetic patients are already at high risk.
For all people, alcohol can lower blood sugar. So for people with diabetes, it is recommended that any alcohol be consumed with a meal. In all cases, alcohol still contains calories, so remember to include it in the meal plan (one alcoholic drink is 1 fat exchange). If further help is needed, seek the help of a registered dietitian.
Drinking a glass of wine is good for the heart in the sense that the main mechanism by which alcohol protects the heart is increasing good cholesterol. The grape skin provides flavonoids and other antioxidant substances that protect the heart and vessels from the damaging effects of free oxygen radicals produced by our body. This is particularly true for diabetics because they have been shown to have a high production of free oxygen radicals. But we don’t have any evidence specifically related to diabetes patients.
A glass of wine can also help individuals relax. The strongest evidence is in favor of wine, but some evidence recently showed beer and other types of alcohol may provide the same benefits related to increasing good cholesterol (HDL).
In general, alcohol does not seem to have an adverse effect, unless an excessive amount is used — and it increases calories, among other things. For example, excessive amounts of alcoholic consumption could be harmful by increasing the risk of high blood pressure, for which diabetic patients are already at high risk.
For all people, alcohol can lower blood sugar. So for people with diabetes, it is recommended that any alcohol be consumed with a meal. In all cases, alcohol still contains calories, so remember to include it in the meal plan (one alcoholic drink is 1 fat exchange). If further help is needed, seek the help of a registered dietitian.
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