The authors found improving each of four “healthy lifestyle choices” added approximately one year of disease-free life between ages 40 and 75 years. Adopting all four “optimal” lifestyles was associated with nine years of life gained vs. adopting zero optimal lifestyles.
A randomized, multicenter study showed that eating a Mediterranean diet for one year improved the diversity of the gut microbiome in older subjects and was associated with reduced frailty and better health.
In a systemic review of recent publications, investigators found that medical students and recent graduates worldwide are ill-prepared to counsel patients on nutritional guidelines and have deficits in both knowledge and confidence about the topic. The researchers found a perceived lack of training, but found that interventions undertaken to improve curriculum showed positive effects on nutrition competencies.
Magnetic resonance imaging of the brain in community-dwelling people (average age of 60 years) found that a long-term, high-quality diet was associated with larger hippocampal volumes after an average interval of 11 years.