Related Experiment Video
Updated: Aug 13, 2026

Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats
Published on: December 14, 2014
Moderate and heavy alcohol consumption have no favorable effect on lipid values
K Seppä1, P Sillanaukee, T Pitkäjärvi
1Department of Public Health, University of Tampere, Finland.
Insights
Moderate alcohol intake may not protect against heart disease by altering lipid profiles. This study found no significant change in the HDL/total cholesterol ratio among moderate drinkers, suggesting other mechanisms may be involved.
Area of Science:
- Cardiology
- Nutritional Science
- Clinical Biochemistry
Background:
- Moderate alcohol consumption is often linked to reduced coronary heart disease risk.
- The specific impact of alcohol intake levels on serum lipid profiles, particularly high-density lipoprotein (HDL) cholesterol, requires further investigation.
Purpose of the Study:
- To investigate the relationship between different levels of alcohol consumption (teetotalers, moderate drinkers, heavy drinkers, alcoholics) and serum lipid values.
- To determine if moderate alcohol intake influences the HDL/total cholesterol ratio, a potential marker for cardiovascular protection.
Main Methods:
- Serum lipid values were analyzed in 380 men across four groups: controls (teetotalers and moderate drinkers), heavy drinkers, and alcoholics.
- Key lipid parameters measured included total cholesterol and HDL cholesterol.
- The HDL/total cholesterol ratio was calculated and compared across the different consumption groups.
Main Results:
- Alcoholics exhibited lower total cholesterol and higher HDL cholesterol compared to controls, resulting in a significantly different HDL/total cholesterol ratio.
- Heavy drinkers showed higher total cholesterol and HDL cholesterol levels than controls.
- No significant difference was observed in the HDL/total cholesterol ratio between controls and heavy drinkers, or between teetotalers and moderate drinkers.
Conclusions:
- Moderate alcohol consumption does not appear to alter the HDL/total cholesterol ratio.
- The potential cardioprotective effects of moderate drinking may not be mediated through changes in serum lipid profiles.
- Further research is needed to elucidate the mechanisms behind any observed cardiovascular benefits of moderate alcohol intake.
Abstract:
Moderate alcohol consumption has been reported to provide protection against coronary heart disease. We studied serum lipid values in 380 men, including 184 controls (37 teetotalers and 147 moderate drinkers), 90 heavy drinkers, and 106 alcoholics. Total cholesterol values were significantly lower among alcoholics than controls (mean +/- SEM, 5.43 +/- 0.15 mmol/L [210 +/- 5.8 mg/dL] vs 6.01 +/- 0.08 mmol/L [232 +/- 3.1 mg/dL]), but their high-density lipoprotein (HDL) cholesterol values were higher (1.66 +/- 0.07 mmol/L [64 +/- 2.7 mg/dL] vs 1.14 +/- 0.02 mmol/L [44 +/- 0.8 mg/dL]). Accordingly, there was a highly significant difference in the HDL/total cholesterol ratio (0.32 +/- 0.13 vs 0.19 +/- 0.01). Heavy drinkers had significantly higher total cholesterol values than controls (6.30 +/- 0.13 mmol/L [244 +/- 5.0 mg/dL] vs 6.01 +/- 0.08 mmol/L [232 +/- 3.1 mg/dL]); the same was true of HDL cholesterol values (1.25 +/- 0.07 mmol/L [48 +/- 2.7 mg/dL] vs 1.14 +/- 0.02 mmol/L [44 +/- 0.8 mg/dL]). No significant difference was found in the HDL/total cholesterol ratio between controls and heavy drinkers or between teetotalers and moderate drinkers. Therefore, moderate alcohol intake apparently does not change HDL/total cholesterol ratio; if moderate drinking is protective against coronary heart disease, the mechanism is probably not via lipids.
Related Concept Videos
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
CNS Depressants: Alcohol and Nicotine
Lipids: Dietary Sources and Requirements
Overview of Lipid Metabolism
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Blood Studies for Cardiovascular System III: Serum Lipid Profile
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Atherosclerosis III: Management

