Beer Alcohol Calories And Health ? A Conscious Approach To Beer Consumption

range 20-40 g a day for healthy men, 16-30 g for healthy women. In USA the limit for men is 14-28 g/day, with recommendation to not exceed 196 g/week (14 g/day, 98 g/week for women). 

A good reason to follow the guideline is that alcohol may create dependencies and push us to assume always increasing quantities. Guidelines are precious, but in practice, how can we calculate how much grams of alcohol are in a beer? This is the last task we have to complete. The alcohol content of a beverage is commonly expressed as percentage of the volume (Alcohol By Volume). For example, 4.5 ABV means that 4.5 % of the volume is constituted of alcohol. So, a 330 ml can of beer (roughly equivalent to a 12 U.S. fluid oz can, which is 355 ml) contains 14.85 ml of alcohol. To obtain the value in grams, we have to multiply by the specific weight of alcohol, i.e. 0.79: a 330 ml can of beer, contains 11.73 g alcohol (as homework, you can take fun to determine the exact alcohol amount contained in a 12 U.S. fluid oz can!). Following the government indication, if you are a woman, you would better give up drinking for that day.

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