Studies show that the moderate consumption of alcohol, particularly red wine, offers some health benefits. In addition, even if deemed appropriate, prohibition would be impossible since the demand is so high. However, the heavy consumption of alcohol can be addictive and deadly. Which one of the following conclusions most logically follows from the argument? ['Regulation of alcohol would work better than prohibition.', 'Prohibition of alcohol is ill-conceived.', 'The benefits of alcohol outweigh the costs.', 'Excessive consumption of alcohol is harmful.']