Impact of obesity on outcome in children diagnosed with cancer in Canada: A report from Cancer in Young People in Canada.

Background: Childhood obesity can result in adverse health outcomes. The objectives of this study were to describe the prevalence of obesity and determine the association between obesity at cancer diagnosis and event-free survival (EFS) and overall survival (OS) in children diagnosed with cancer in Canada.

Methods: The authors conducted a retrospective cohort study using the Cancer in Young People in Canada database, including all children with newly diagnosed cancer aged 2-18 years across Canada from 2001 to 2020.

Contraception knowledge and practices among students in Lebanese universities.

This study aimed to evaluate the proportion of contraception users among Lebanese youth, and the extent of knowledge and perception on birth control; and to raise awareness and sensitise young adults to sexual health, which remains taboo in Lebanon. The 30-item questionnaire was broadcasted to students in private and public universities in Lebanon, through social media and it collected information on contraception use and student knowledge. Over 30% of responders were medical students, and 41% have ever used contraceptives (mostly women); among which, 52.

A qualitative study of adolescents and young adults' experience and perceived needs during the first wave of the COVID-19 pandemic.

Aims: COVID-19 has led to unprecedented public health measures such as school and university closures across the world. While initial surveys show an increase in anxiety, we have little information on the subjective experience of adolescents and young adults (AYAs). The aims of this study were to understand the lived experience and needs of AYAs related to home confinement and preventive measures due to COVID-19.

Risk Factors of Clinical Relapses in Pediatric Luminal Crohn's Disease: A Retrospective Cohort Study.

Introduction: There is currently little knowledge on factors associated with the relapse of Crohn's disease (CD) in children. The aims of this study were to describe the risk factors associated with relapse in pediatric CD and the changes in the relapse rate over the past decade.

Methods: Patients younger than 18 years and diagnosed between 2009 and 2019 were included in this retrospective cohort study.

Factors associated with time to clinical remission in pediatric luminal Crohn's disease: A retrospective cohort study.

Background And Aim: Data on factors influencing time to remission in pediatric Crohn's disease (CD) are very limited in the literature. The aim of this retrospective cohort study was to describe the trends of time to clinical remission over the past decade and to identify factors associated with time to clinical remission in children with luminal CD.

Methods: Patients under 18 years old diagnosed between 2009 and 2019 were included.

COVID-19 mRNA vaccine in pregnancy and newborn passive immunization: a case report.

Aim: Evaluating the newborn passive immunization after maternal vaccination against SARS-COV-2.

Case Presentation: We present the case of a pregnant woman, with no prior history of COVID-19 infection, who got her second dose of mRNA vaccine against SARS-COV-2, 3 days before the start of her spontaneous labor. She was delivered by cesarean section after dynamical dystocia.

Changes in the clinical phenotype and behavior of pediatric luminal Crohn's disease at diagnosis in the last decade.

Background And Aims: The aims of this study were to describe the trends in the behavior of pediatric CD during the last decade and to describe the seasonal variation of disease presentation.

Methods: Patients under 18 years old and diagnosed between 2009 and 2019 were included. The clinical, endoscopic, histological, and laboratory data were collected from the medical records.

Risk Perception of COVID-19 Infection and Adherence to Preventive Measures among Adolescents and Young Adults.

To explore factors influencing adolescents and young adults' (AYAs) risk perception of COVID-19 and adherence to public health measures, we conducted a cross-sectional online survey of AYAs (14-22 years old) from Quebec (Canada) recruited through school and community partners in April 2020 during the first wave of the COVID-19 pandemic. The study included 3037 participants (mean age = 17.7 years, 74.

Correction to: The 2020 blast in the Port of Beirut: can the Lebanese health system "build back better"?

An amendment to this paper has been published and can be accessed via the original article.

BMC health services research title: the 2020 blast in the port of Beirut: can the Lebanese health system "build back better"?

The August 2020 explosion in Lebanon resulted in casualties, injuries, and a great number of internally displaced persons. The blast occurred during an economically and politically complex time in the country. Given multiple and competing post-explosion reconstruction priorities, in ths editorial we briefly examine the requirements for a build back better scenario.

Microwave based nanogenerator using the ratchet effect in Si/SiGe heterostructures.

Ratchet based microwave current generators and detectors were developed in Si/SiGe heterostructures for wireless communication with the possibility of extending the detection limit to the terahertz range. A microwave induced ratchet current was generated in the two-dimensional electron gas by patterning an array of semicircular antidots in hexagonal geometry. The spatial asymmetry created by the semicircular antidots forces the electrons under the influence of the microwave electric field to move preferentially towards the direction of the semidisc axis.