Objectives We conducted a systematic literature review and meta-analysis of observational
studies to investigate the association between diabetes, hypertension, body mass index …

Young age, female sex, absence of comorbidities, and prior infection or vaccination are
known epidemiological barriers for contracting the new infection and/or increased disease …

The duration and severity of COVID-19 are related to age, comorbidities, and cytokine
synthesis. This study evaluated the impact of these factors on patients with clinical …

Air pollution has been increasingly linked to cancer risk. However, the genetic causality
between air pollution and cancer risk remains poorly understood. To elucidate the potential …

Background Cardiovascular disease (CVD), one of the most common comorbidities of
coronavirus disease 2019 (COVID-19), has been suspected to be associated with adverse …

Background: Previous studies indicated that air pollution plausibly increases the risk of
adverse outcomes in inflammatory bowel disease (IBD) via proinflammatory mechanisms …

Background: Hypertension may affect the prognosis of COVID-19 illness. We analyzed the
epidemiological and clinical characteristics associated with the disease severity and …

Background Lifestyle and longevity genes have different and important roles in the human
lifespan; however, the association between a healthy lifestyle in late-life and life expectancy …

Background Unhealthy lifestyle and diet may contribute to the development of
cardiovascular disease (CVD), but limited evidence exists regarding the association …

Background Since China's dynamic zero-COVID policy is cancelled on December 7, 2022,
the rapidly growing number of patients has brought a major public health challenge. This …