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03/29/2010 14:04:55

Monday, 29 March 2010 By Steve Connor, Science Editor Rats became may be Scientists have found that a "café-style" diet of The The researchers found that rats offered junk food quickly became so attached to it that they would endure painful but harmless electric shocks to their feet in order to eat it. They would even prefer to "They always went for the worst types of food and, as a result, they t