Twitter offers a potentially novel investigation line to evaluate self-perception and awareness in the context of the public health response to the coronavirus disease (COVID-19) pandemic. Studies have shown that Twitter content may provide crucial insights into the ongoing public health crisis. 1,2 However, some studies suggest that Twitter may play an important role in propagating misinformation in previous epidemics such as the Zika, Ebola, and yellow fever virus outbreaks. [3][4][5] In the COVID-19 era, scientists and clinicians use Twitter to echo scientific evidence, especially toward an academic audience. However, in nonacademic contexts, the effect of Twitter in the COVID-19 era on public perception, whether beneficial or harmful, remains unknown. We hypothesize that there may be significant variation in signals of Twitter related to COVID-19 in nonacademic contexts.We extracted all Tweets and hashtags related to COVID-19 using keywords (e.g.
Studies evaluating fish consumption and cardiovascular disease events have shown inconsistent results. We performed a systematic review of peer-reviewed publications from an extensive query of Ovid MEDLINE, Ovid Embase, Ovid Cochrane Database of Systematic Reviews, Scopus, and Web of Science from database inception to September 2020 for observational studies that reported the association between fish consumption and cardiovascular disease events. We identified and reviewed 24 studies related to fish consumption and the effect on cardiovascular outcomes. The study population included a total of 714,526 individuals and multiple cohorts from several countries. We found that nonfried fish consumption is probably associated with a reduced risk of overall cardiovascular disease events and myocardial infarction risk. In contrast, fried fish consumption is probably associated with an increased risk of overall cardiovascular disease events and myocardial infarction risk. No studies to date have shown any significant association between fish consumption and stroke. Our analysis suggests that fish consumption may reduce cardiovascular disease events, but fried fish consumption was associated with an increased risk of cardiovascular events.
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