Cochrane Review finds stopping smoking is linked to improved mental health.今天發表在Cochrane圖書館的證據將再次鼓勵想要戒煙的人，戒煙至少6周可以改善他們的精神健康，減少焦慮、抑鬱和壓力。 人們的社會關係不大可能受到戒煙的影響。 吸煙是世界上導致可預防性疾病和死亡的首要原因。 每兩個吸煙者中就有一個會死於與吸煙有關的疾病，除非他們戒煙。 一些人認為，吸煙有助於減輕壓力和其他心理健康癥狀，戒煙可能會使他們的心理健康問題惡化。 吸煙的人也擔心戒煙會對他們的社會生活和交友產生負面影響。 

Signs and symptoms to determine if a patient presenting in primary care or hospital outpatient settings has COVID-19

Today Cochrane announces the official launch of a new network of institutions committed to promote evidence-based health care practice and policy decision making in China.

The Cochrane China Network has recently been established to represent Cochrane and support evidence-based health care practice and policy decision making in China. The Official Launch Meeting of Cochrane China Network will be held on 21-22 January 2021 in a virtual mode.

How accurate are routine laboratory tests for diagnosis of COVID-19?

Do physical measures such as hand-washing or wearing masks stop or slow down the spread of respiratory viruses?

Supporting resilience and mental well-being in frontline healthcare professionals during and after a pandemic

Is plasma from people who have recovered from COVID‐19 an effective treatment for people with COVID‐19?