Firmer, fitter frame linked to firmer, fitter brain

Scientists have observed that more aerobically fit individuals have better memories. To investigate this phenomenon, they used magnetic resonance elastography (MRE), which measures the firmness and elasticity of organs, and found that fit individuals had a firmer, more elastic hippocampus—a region of the brain associated with memory. The method could provide early diagnosis and potential interventions in the initial stages of neurodegenerative disease.