While porter beers may have some health benefits due to their content of flavonoids, antioxidants, and B-vitamins, they should not be considered "healthy" due to their alcohol and calorie content. As with any alcoholic beverage, moderation is key. Consuming excessive amounts of porter or any other alcoholic beverage can lead to a variety of negative health effects, including liver damage, high blood pressure, and increased risk of certain types of cancer. Additionally, the high calorie content of porter beers can contribute to weight gain and other health issues.