OBJECTIVE To explore the relationship between cognitive impairment and the changes of hippocampal structure and cerebral white matter on brain magnetic resonance imaging (MRI) in subjects with obstructive sleep apnea hypopnea (OSAHS). METHODS A total of 81 snoring patients were monitored by overnight polysomnography (PSG) at Sleep Center, Second… (More)
By investigating the bathing utensils and bathing style, the bathing habit in Qin - Han dynasties were discussed. It is claimed that bathing had been a daily habit in that period, being a sign of advanced civilization. Its implication on the significance is also analyzed.