The clinical course and outcome of COVID-19 are highly variable, ranging from
asymptomatic infections to severe disease and death. Understanding the risk factors of …

The association between current smoking and coronavirus disease 2019 (COVID-19)
progression remains uncertain. We aim to provide up-to-date evidence of the role of …

Background: Long COVID induces a substantial global burden of disease. The
pathogenesis, complications, and epidemiological and clinical characteristics of patients …

Introduction Current evidence indicates that smoking worsens COVID-19 outcomes.
However, when studies restricted their analyses to current smokers, the risks for COVID-19 …

Introduction COVID-19 is primarily a respiratory illness, and smoking adversely impacts the
respiratory and immune systems; this confluence may therefore incentivize smokers to quit …

The COVID-19 pandemic has generated a global health crisis that has negatively impacted
the mental health and wellbeing of the population. A large amount of scientific literature has …

Abstract Background Coronavirus Disease 2019 (COVID‐19) has affected every country
globally, with hundreds of millions of people infected with the SARS‐CoV‐2 virus and over 6 …

Decreasing COVID-19 vaccine hesitancy is an urgent challenge in the US. This study aimed
to examine COVID-19 vaccine hesitancy among US adults with a history of using tobacco …

Tobacco use has detrimental effects on health, including oral health. The emergence and
increasing popularity of newer tobacco and nicotine products make tobacco use one of the …

Introduction. Tobacco use increases risks for numerous diseases, including respiratory
illnesses. We examined the literature to determine whether a history of tobacco use …