Statins reduce mortality in patients with COVID-19: an updated meta-analysis of 147 824 patients.

Objectives: There is conflicting evidence about the efficacy of statin use in regard to clinical outcomes in patients with coronavirus disease 2019 (COVID-19). A systematic review and meta-analysis was performed to examine the effect of statin use on mortality in COVID-19 patients.

Methods: The electronic databases were searched, from inception to March 3, 2021.

Exclusive breastfeeding as a protective factor of acute lymphoblastic leukemia.

Introduction: Globally, Acute Lymphoblastic Leukemia (ALL), represents more than 30% of all types of cancers in children aged between 0 and 9 years. In Peru, it has not been evaluated whether exclusive breastfee ding (EB) is a protective factor for ALL.

Objective: To identify the protective and risk factors associa ted with acute lymphoblastic leukemia in children aged between 0 and 13 years in a national hospital in Lima, Peru.