Wearable Devices Based on Bioimpedance Test in Heart Failure: Clinical Relevance: Systematic Review https://www.imrpress.com/journal/RCM/25/9/10.31083/j.rcm2509315
fMRI scans of 151 participants showed that bilingual people had better connectivity between brain regions, especially if they learned their second language at a younger age. This effect was especially strong between the cerebellum and the left frontal cortex