It seems to stimulate overeating by speeding up production of a chemical messenger in the brain called GABA, or gamma-amino butyric acid.

BBC: NEWS | Health | Gene that makes you eat too much

In other news, Colgate-Palmolive (nyse: CL - news - people ) says it struck a deal to buy the privately owned Swiss toothpaste company GABA Holding in order to build a bigger presence in the European toothpaste market.

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By holding the rice at a low temperature for an extended period of time before cooking it the level of gamma-aminobutyric acid (GABA) increases.

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