Please visit https://health.hkej.com/health/article?suid=2880372&subjectline=%E7%88%AD%E5%88%86%E5%A5%AA%E7%A7%92%E5%B0%8D%E4%BB%98%E7%99%BE%E8%AE%8A%E6%AE%BA%E6%89%8B for a clearer version.