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These studies suggest that half a bottle of wine a night may not significantly affect certain blood properties, but health officials recommend limiting intake to two glasses per day to reduce health risks.
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Platelet Function and Blood Properties
Research has shown that moderate wine consumption, defined as half a bottle (approximately two glasses) of red or white wine, does not significantly affect platelet function or the viscoelastic properties of blood. A study involving 24 healthy volunteers who consumed this amount of wine during dinner found no significant changes in platelet count, platelet function, or thromboelastogram (TEG) values the following morning. This suggests that moderate wine intake does not impair blood coagulation, even when consumed the night before an elective surgery.
Guidelines and Risks
Public health guidelines vary by country, but there is a general consensus on limiting alcohol intake to reduce health risks. In France, health officials recommend limiting wine consumption to no more than two glasses per day. This recommendation is part of a broader campaign to address excessive alcohol consumption, which is linked to significant health issues, including approximately 41,000 deaths annually in France alone.
While moderate wine consumption, such as half a bottle a night, does not appear to negatively impact blood properties or platelet function in the short term, it is important to consider broader public health guidelines. Limiting alcohol intake to two glasses per day is advised to mitigate long-term health risks. Therefore, while half a bottle of wine a night may not pose immediate health risks, adhering to recommended guidelines is prudent for overall health.
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