The domestication of wild grains has played a major role in human evolution, facilitating the transition from a hunter-gatherer lifestyle to one based on agriculture. You might think that the grains were used for bread, which today represents a basic staple. But some scientists argue that it wasn't bread that motivated our ancestors to start grain farming. It was beer. Man, they say, chose pints over pastry.
Beer has plenty to recommend it over bread. First, and most obviously, it is pleasant to drink. "Beer had all the same nutrients as bread, and it had one additional advantage," argues Solomon H. Katz, an anthropology professor at the University of Pennsylvania. Namely, it gave early humans the same pleasant buzz it gives us. Patrick E. McGovern, the director of the Biomolecular Archaeology Project for Cuisine, Fermented Beverages, and Health at the University of Pennsylvania, goes even further. Beer, he says, was more nutritious than bread. It contains "more B vitamins and [more of the] essential amino acid lysine," McGovern writes in his book, Uncorking the Past: the Quest for Wine, Beer, and Other Alcoholic Beverages. It was also safer to drink than water, because the fermentation process killed pathogenic microorganisms. "With a four to five percent alcohol content, beer is a potent mind-altering and medicinal substance," McGovern says, adding that ancient brewers acted as medicine men.
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(Score: 0) by Anonymous Coward on Wednesday December 02 2015, @11:03AM
If you're hungry, you'd pick bread over beer. No doubt there was beer soon after the development of bread but I doubt beer was so important. You'd be eating grains way before drinking beer.
Grains and flour are high energy density "super fuels" that can be easily stored and transported (assuming the invention of suitable containers) and thus allowed larger populations and larger scale wars (an army marches on its stomach). Old style wars were very strong evolutionary pressure - victors often slaughtered everyone except the fertile females.