1.
The COVID-19 Pandemic: a Call to Action to Identify and Address Racial and Ethnic Disparities.
Laurencin, CT, McClinton, A
Journal of racial and ethnic health disparities. 2020;7(3):398-402
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Plain language summary
The severe acute respiratory syndrome coronavirus 2 virus was first identified in late 2019 in Wuhan, China. Various unsubstantiated reports emerged declaring that the genetic constitution of Blacks or even the presence of melanin rendered Blacks immune to the virus. This study is a call of action which reviews preliminary data on race and ethnicity in the peer-reviewed literature for citizens in America affected by COVID-19. Findings demonstrate that communities of colour (Blacks) have a higher rate of infection and death in comparison to their population percentage in the state of Connecticut. However, authors are unable to draw conclusions since race and ethnicity data is missing and the data in this paper is the earliest data available. Therefore, the authors call for action to identify and address racial and ethnic health disparities in the COVID-19 crisis.
Abstract
The Coronavirus disease 2019 (COVID-19) pandemic has significantly impacted and devastated the world. As the infection spreads, the projected mortality and economic devastation are unprecedented. In particular, racial and ethnic minorities may be at a particular disadvantage as many already assume the status of a marginalized group. Black Americans have a long-standing history of disadvantage and are in a vulnerable position to experience the impact of this crisis and the myth of Black immunity to COVID-19 is detrimental to promoting and maintaining preventative measures. We are the first to present the earliest available data in the peer-reviewed literature on the racial and ethnic distribution of COVID-19-confirmed cases and fatalities in the state of Connecticut. We also seek to explode the myth of Black immunity to the virus. Finally, we call for a National Commission on COVID-19 Racial and Ethnic Health Disparities to further explore and respond to the unique challenges that the crisis presents for Black and Brown communities.
2.
Association between plant-based diets and plasma lipids: a systematic review and meta-analysis.
Yokoyama, Y, Levin, SM, Barnard, ND
Nutrition reviews. 2017;75(9):683-698
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Plasma lipids play a prominent role in heart disease and modifiable factors such as diet and lifestyle can facilitate in preventing or developing hyperlipidemia. Previous research has suggested that vegetarian diets are associated with lower plasma lipid concentrations, however long-term impacts of consuming a plant-based diet (PBD) has not been studied. The aim of this research was to conduct a systematic review and meta-analysis for studies that have examined the relationship between PBDs and plasma lipids. Thirty observational studies and 19 clinical trials were included in this analysis and showed consumption of a PBD was significantly associated with lower total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C), but not in triglyceride concentrations. Based on these results, the authors conclude PBDs could offer individuals and healthcare professionals an effective option for reducing heart disease. They also add that while dietary changes may not be as powerful as pharmaceutical drugs in reducing plasma lipids, dietary and pharmacologic interventions can work together.
Abstract
CONTEXT Although a recent meta-analysis of randomized controlled trials showed that adoption of a vegetarian diet reduces plasma lipids, the association between vegetarian diets and long-term effects on plasma lipids has not been subjected to meta-analysis. OBJECTIVE The aim was to conduct a systematic review and meta-analysis of observational studies and clinical trials that have examined associations between plant-based diets and plasma lipids. DATA SOURCES MEDLINE, Web of Science, and the Cochrane Central Register of Controlled Trials were searched for articles published in English until June 2015. STUDY SELECTION The literature was searched for controlled trials and observational studies that investigated the effects of at least 4 weeks of a vegetarian diet on plasma lipids. DATA EXTRACTION Two reviewers independently extracted the study methodology and sample size, the baseline characteristics of the study population, and the concentrations and variance measures of plasma lipids. Mean differences in concentrations of plasma lipids between vegetarian and comparison diet groups were calculated. Data were pooled using a random-effects model. RESULTS Of the 8385 studies identified, 30 observational studies and 19 clinical trials met the inclusion criteria (N = 1484; mean age, 48.6 years). Consumption of vegetarian diets was associated with lower mean concentrations of total cholesterol (-29.2 and -12.5 mg/dL, P < 0.001), low-density lipoprotein cholesterol (-22.9 and -12.2 mg/dL, P < 0.001), and high-density lipoprotein cholesterol (-3.6 and -3.4 mg/dL, P < 0.001), compared with consumption of omnivorous diets in observational studies and clinical trials, respectively. Triglyceride differences were -6.5 (P = 0.092) in observational studies and 5.8 mg/dL (P = 0.090) in intervention trials. CONCLUSIONS Plant-based diets are associated with decreased total cholesterol, low-density lipoprotein cholesterol, and high-density lipoprotein cholesterol, but not with decreased triglycerides. SYSTEMATIC REVIEW REGISTRATION PROSPERO number CRD42015023783. Available at: https://www.crd.york.ac.uk/PROSPERO/display_record.asp?ID=CRD42015023783.