The researchers, led by Joan Sabaté, MD, DrPH, Professor of Nutrition and Epidemiology at Loma Linda University School of Public Health, examined 636 elders in Loma Linda and in Barcelona. For two years, the test groups consumed walnuts daily, and the control group abstained from walnuts. The results: Healthy elderly adults saw little change, but cognitive decline was slowed in elderly adults who smoked and had a lower baseline neuropsychological test score. The study concludes: “These encouraging but inconclusive results warrant further investigation, particularly targeting disadvantaged populations, in whom greatest benefit could be expected.”
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