Aside: This is why heavy or frequent male drinkers will often grow breasts (called gynecomastia).
By comparing levels of important hormones in people consuming a moderate amount of red and white wine daily, this new study investigated whether red wine
consumption was associated with hormonal changes that may reduce the risk of breast cancer .
The researchers found that red wine consumption was associated with increased free testosterone and lower levels of female sex hormones.
Their findings suggest that components in red wine act as aromatase inhibitors, which challenge the wide-held belief that all types of alcohol increase the risk of developing breast cancer.
So women at risk of breast cancer who enjoy the occasional alcoholic beverage, may find some relief in this study, as long as they stick to red wine. Personally, I continue to prefer my Guinness, and I haven't grown breasts...yet.
Source: Red Versus White Wine as a Nutritional Aromatase Inhibitor in Premenopausal Women (full-text)
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