Smoking and severe illness in hospitalized COVID-19 patients in Japan.

Yumi MatsushitaTetsuji YokoyamaKayoko HayakawaNobuaki MatsunagaHiroshi OhtsuSho SaitoMari TeradaSetsuko SuzukiShinichiro MoriokaSatoshi KutsunaTetsuya MizoueHisao HaraAkio KimuraNorio Ohmagari

Published in: International journal of epidemiology (2021)

The severity of COVID-19 was not associated with current or former smoking per se but with the comorbidities caused by smoking. Thus, smoking cessation is likely to be a key factor for preventing smoking-related disease and hence for reducing the risk of severe COVID-19.

Keyphrases

smoking cessation
sars cov
coronavirus disease
replacement therapy
early onset
drug induced