The Mediterranean diet, known for its emphasis on vegetables, fruits, fish, and olive oil, has long been associated with numerous health benefits, including positive effects on brain function, blood pressure, and cardiovascular health. However, recent research has raised questions about how these benefits are distributed across different groups, particularly those with varying levels of income and education. A 2017 study published in the International Journal of Epidemiology found that the cardiovascular benefits of the Mediterranean diet were more pronounced in individuals from higher socioeconomic groups. Researchers suggested that this could be due to the consumption of higher quality products, such as organic vegetables, which may contain higher concentrations of antioxidants and lower levels of cadmium and pesticide residues compared to conventionally grown foods. This highlights a potential gap in how the diet's benefits are experienced by different populations. A 2024 study in the Science of The Total Environment analyzed the exposure to essential and non-essential metals in pregnant women following a Mediterranean diet. The study found that greater adherence to the diet was associated with increased exposure to metals such as cadmium, aluminum, and lead. The researchers recommended prioritizing healthy foods low in toxic metals within the traditional Mediterranean diet. This adds a new layer of complexity to understanding the diet's overall health impact. The inclusion of alcohol, particularly wine, in the Mediterranean diet has also been a topic of debate. While some advocate for moderate wine consumption as part of the diet, a meta-analysis of 107 studies published in the Journal of Studies on Alcohol and Drugs found that studies promoting the benefits of moderate alcohol consumption often have selection biases that can mislead health associations. The World Health Organization (WHO) emphasizes that there is no safe level of alcohol consumption, stating that the risk to health is present from the first drop of any alcoholic beverage. Experts recommend avoiding alcohol and considering alternatives like gazpacho to maintain the health benefits of the Mediterranean diet.