Society hasn’t figured out how to protect the elderly from coronavirus without imposing another very real health threat: isolation. For more than 100 days in some places, residents in nursing homes and retirement communities across the country have been separated from spouses, children, grandchildren and friends of many decades. Residents have been kept apart, eating meals in solitary.
The actions are well-intended. Covid-19 has caused more than 56,000 deaths in about 11,600 long-term care facilities in 44 states, according to the Kaiser Family Foundation.
But there are unintended consequences. As scientists learn more about how the human brain works, they are getting a clearer picture of neurological and physiological changes that occur when people live in isolation. These changes may help explain why living alone with little social interaction is often implicated in higher rates of...