Aging is associated with impairment of sensorial functions and with the onset of neurodegenerative diseases. As pari passu circulating insulin-like growth factor 1 (IGF-1) bioavailability progressively decreases. we see a direct correlation with sensory impairment and cognitive performance in older humans. Age-related sensory loss is typically caused by the irreversible death of highl... https://www.roneverhart.com/Behringer-UL-1000G2-Wireless-In-Ear-Monitoring-System-US-584-to-608-MHz-p31393/