Development, validity, and reliability of the Street Food and Beverage Tool: (SFBT).

Objective: To develop and evaluate the validity and reliability of the Street Food and Beverage Tool (SFBT).

Design: This methodological study contains two phases: a) tool development, which involves conducting a systematic review followed by expert evaluation of the items, the creation of a Nutritional Healthfulness Index (NH), and pilot testing; and b) evaluation of the Tool's Validity and Reliability: Content validity was judged by an external technical group, which evaluated the adequacy and pertinence of each tool item. Construct validity was evaluated around schools by testing the hypothesis: In high-income areas, there will be greater availability of healthy food and beverages at street food outlets (SFOs), as measured by the NH-index.

Comparing the efficacy of serotonin and EGTA on postpartum hypocalcemia.

Inducing a transient state of hypocalcemia prepartum mobilizes stored calcium (Ca) before the abrupt demand for Ca at parturition thus more tightly regulating postpartum hypocalcemia. Prepartum transient hypocalcemia can be achieved through intravenous infusions of either the precursor to serotonin, 5-hydroxy-tryptophan (5HTP) or a Ca chelating agent, ethylene-glycol-tetraacetic acid (EGTA). This study aimed to compare the ability of 5HTP and EGTA treatments to prevent postpartum hypocalcemia.

Antibiotic-resistant bacteria aerosol in a Caribbean coastal city: Pre- and post- COVID-19 lockdown.

This study assessed the prevalence and spatial distribution of viable ultrafine and fine antibiotic-resistant bacteria aerosols (ARB) in the Metropolitan Area of Barranquilla, Colombia, pre- and post-lockdown (September 2019 to December 2020). Samples were systematically collected from urban, suburban, and rural sites using a six-stage viable cascade impactor. We employed logistic regression and Bayesian Neural Network Classifiers to analyze meteorological variables' influence on antibiotic resistance persistence.