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Scientists have found these possible health benefits of red wine consumption:
Blood pressure control
The antioxidants in red wine could lower blood pressure. In a few studies of people with slightly elevated blood pressure, red wine extract lowered readings. Both systolic and diastolic pressure improved. The studies concluded that the polyphenols in red wine were responsible.
Heart health
Although more research is needed, some studies show that red wine is good for heart health because it helps reduce the risk of plaque buildup in the arteries.
Cancer risk reduction
Resveratrol, a polyphenol in red wine, has anti-inflammatory and antioxidant properties and may reduce the risk of cancer by discouraging cancer cell growth. Although more human studies are needed to confirm this effect, early research on resveratrol in wine has shown its cardiovascular benefits. It’s possible, however, that compounds other than resveratrol in red wine are responsible for a lower risk of certain cancers, including colon and prostate cancer.
Reduced risk of Alzheimer’s
The polyphenols, which occur naturally in red wine, prevent the formation of certain proteins that create toxic plaques that can kill brain cells. These polyphenols can also lessen the plaque toxicity that is already present in the body, thus reducing cognitive decline.
Research shows that drinking in moderation could reduce the risk of Alzheimer’s disease or other forms of dementia vs. no alcohol intake. Some effects of alcohol on the brain, including reduced blood thickness and increases in HDL or “healthy” cholesterol, seem to show that moderate alcohol consumption may help lower the risk of developing dementia. However, we need more research on this.
