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Wine tied to healthier arteries for some diabetics
Some diabetics with plaque buildup in their arteries might have less debris in these blood vessels after adding wine to their diets, a recent study suggests.
For the study, researchers examined data on 224 people with type 2 diabetes who normally didn’t drink alcohol, but were randomly assigned to follow a Mediterranean diet and drink approximately one glass of red wine, white wine or water for daily. Among the subset of 174 people with ultrasound images of their arteries, 45 percent had detectable plaque at the start of the study.
Two years later, researchers didn’t see any significant increase in plaque for any of the participants with ultrasounds, regardless of whether they drank wine or water.
However, among the people who started out with the most plaque in their arteries, there was a small but statistically meaningful reduction in these deposits by the end of the study, researchers report in the European Journal of Clinical Nutrition.
“Among patients with well-controlled diabetes and a low risk for alcohol abuse, initiating moderate alcohol consumption in the context of a healthy diet is apparently safe and may modestly reduce cardiometabolic risk,” said lead study author Rachel Golan, a public health researcher at Ben-Gurion University of the Negev in Beer Sheva, Israel.
“Our study is not a call for all patients with type 2 diabetes to start drinking,” Golan said by email.
Cardio-metabolic risk factors can increase the chances of having diabetes, heart disease or a stroke. In addition to plaque in the arteries, other risk factors include high blood pressure, elevated blood sugar, high cholesterol, smoking and having poor diet and exercise habits.
Alcohol may help, but it also isn’t risk free, noted Dr. Gregory Marcus, a researcher at the University of California, San Francisco, who wasn’t involved in the study. It can increase the risk of heart rhythm problems, which can cause stroke, Marcus said by email.
Even though alcohol might help reduce the risk of cardiovascular disease in some circumstances, there isn’t enough evidence yet to suggest that people who avoid alcohol should start drinking, Marcus said.
“I would certainly recommend against starting to drink alcohol in the hopes of obtaining beneficial health effects among anyone that currently abstains,” Marcus said. “And among those who drink, these sorts of positive results should never be used to consume more alcohol, particularly beyond drinking in moderation.”
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