Psychology Wiki   34,114pages on this wiki Revision as of 00:06,
December 20, 2007 by Dr Joe Kiff (Talk | contribs)     This
article needs rewriting to enhance its relevance to
psychologists.. Please help to improve this page yourself if you
can..  Beer is the world's oldest[1] and most popular[2][3]
alcoholic beverage. It is produced by the fermentation of sugars
derived from starch-based material — the most common being
malted barley; however, wheat, corn, and rice are also widely
used, usually in conjunction with barley. Less widely used
starch sources include millet, sorghum and cassava root in
Africa, potato in Brazil, and agave in Mexico, among others.
The starch source is steeped in water, along with certain
enzymes, to produce a sugary wort which is then flavoured with
herbs, fruit or most commonly hops. Yeast is then used to cause
fermentation, which produces alcohol and other waste products
from anaerobic respiration of the sugars. The process of beer
production is called brewing.  Beer uses many v