From February 21st to 23rd, 2025, the Kengkou Lettuce Market was held in Liwan District, Guangzhou, featuring folk cultural ...

Financial crisis and cuts to the welfare system have driven people to UK food banks. About 500,000 are estimated to have ...

慢性阻塞性肺疾病（简称慢阻肺）是以持续呼吸道症状和气流受限为特征的常见慢性呼吸系统疾病。目前全球慢阻肺患病人群约为4亿人[1]，我国慢阻肺患者人数已超过1亿人[2]。慢阻肺患者常并发低氧型呼吸衰竭和高碳酸血症呼吸衰竭，导致患者活动耐力低下，生活质量下降，增加病死率。经鼻高流量氧疗（high-flow nasal ...