Fermented milk of Lactobacillus helveticus IDCC3801 improves cognitive functioning during cognitive fatigue tests in healthy older adults

Probiotics are consumed in a wide variety of fermented foods to improve health. This study was conducted to investigate the effects of Lactobacillus helveticus-fermented milk (LHFM), on cognitive function in healthy older adults. A 12-week, double-blind, randomized controlled experiment was conducted. Cognitive tests (neuropsychological and cognitive fatigue) and measurements of the perceived stress scale (PSS), geriatric depression scale-short...