Fish and No Chips; Diet and the Evolution of the Brain  

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Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 395 no. 8684 (May 2010), page 85.
Topik: Medical Research; Brain Research; Fatty Acids; Nervous System; Cognition & Reasoning; Evolutionary Biology; Dietary Supplements; Genetically Altered Foods; International

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.63 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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A scientific meeting was held May 26-27, 2010 at the Royal Society of Medicine in London to discuss the many virtues of docosahexaenoic acid, the most important of that fashionable class of dietary chemicals, the omega-3 fatty acids. DHA is a component of brains, particularly the synaptic junctions between nerve cells, and its displacement from modern diets by the omega-6 acids in cooking oils such as soya, maize and rape is a cause of worry. Many researchers think this shift--and the change in brain chemistry that it causes--explains the growth in recent times of depression, manic-depression, memory loss, schizophrenia and attention-deficit disorder. It may also be responsible for rising levels of obesity and thus the heart disease which often accompanies being overweight. Michael Crawford, a researcher at the Institute of Brain Chemistry and Human Nutrition in London, believes, however, that DHA is even more important than that. He suggests that it was responsible for the existence of nervous systems in the first place, and that access to large quantities of the stuff was what permitted the evolution of big brains in mankind's more recent ancestors.

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