mean, it potential damage? good morning. i mean. it is potential damage? good morning. i mean. it is very potential damage? good morning. i mean, it is very concerning, - potential damage? good morning. i mean, it is very concerning, the i mean, it is very concerning, the increase that we have seen over the last years, and particularly over the last year, notjust last years, and particularly over the last year, not just an last years, and particularly over the last year, notjust an increase in the number of cases but in the severity of cases of neurological damage due to nitrous oxide. there has been a real absence of research until now into the harms that nitrous oxide can cause, but we are very concerned, and that is why we published today these national guidelines on how to spot and manage neurological damage due to nitrous oxide. ~ ., ., neurological damage due to nitrous oxide. ~ . . , ., , ., oxide. what are the symptoms that eo - le oxide. what are the symptoms that people