A little wine, sunlight help boost women's health
Updated: 2007-11-12 20:48
Two of life's simple pleasures -- a glass of wine, a little time in the sun -- may have benefits for women's health.
Wine first: In a report from Spain, researchers at the University of Barcelona evaluated the effects of moderate consumption of red and white wine -- 6.8 ounces, or two glasses a day -- in 35 nonsmoking Spanish women, average age 38.
The study was done like any other controlled medical trial, with each woman drinking the recommended "dose" of either white or red wine for four-week periods, with a four-week dry period separating each round of study.
"The data showed that, in comparison with the baseline period, consumption of both red and white wines increased serum [blood] HDL cholesterol (often called 'good' cholesterol), which suggests a cardio-protective effect," said the report in the November issue of the American Journal of Clinical Nutrition.
Other markers of cardiac health were affected "in a healthy way" by red wine a little more than by white wine, the researchers added. The study provides, "scientifically rigorous evidence" that moderate wine consumption helps keep the heart healthy by preventing low-grade inflammation in women, the Spanish team concluded.
"This continues to add to many other studies by showing the mechanisms by which both red and white wine help prevent heart disease," said Dr. R. Curtis Ellison, professor of medicine and public health at Boston University. "When you give women a glass and a half of wine each day, you have considerable effects on improving inflammation, a little more for red wine than for white," said Ellison, who was not involved in the research.
A number of other studies have shown the same protective effect in men, with slightly greater intake of wine, Ellison said.
Next, sunlight: In the same issue of the journal, a British-American team reported a trial in which levels of inflammation-related molecules were measured against blood levels of vitamin D, made naturally by the skin when it is exposed to sunlight.
"The purpose of the study was to see if there was a correlation between vitamin D levels and indicators of aging," said co-researcher Jeffrey P. Gardner, a professor at the Center of Human Development and Aging at the University of Medicine and Dentistry of New Jersey.
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