Results 1 to 10 of about 66,155 (218)

Probability of males to outlive females: an international comparison from 1751 to 2020

open access: yesBMJ Open, 2022
Objective To measure sex differences in lifespan based on the probability of males to outlive females.Design International comparison of national and regional sex-specific life tables from the Human Mortality Database and the World Population Prospects ...
Marie-Pier Bergeron-Boucher   +3 more
doaj   +1 more source

Housing and health outcomes: evidence on child morbidities from six Sub-Saharan African countries

open access: yesBMC Pediatrics, 2023
Background The connection between healthy housing status and health is well established. The quality of housing plays a significant role in infectious and non-communicable as well as vector-borne diseases.
Kanyiva Muindi   +3 more
doaj   +1 more source

"I was tricked": understanding reasons for unintended pregnancy among sexually active adolescent girls

open access: yesReproductive Health, 2021
Résumé Contexte Alors que le gouvernement kenyan déploie des stratégies de haut niveau pour mettre fin aux grossesses chez les adolescentes d'ici 2030, il est nécessaire de bien cerner les facteurs qui favorisent les grossesses précoces non planifiées ...
Anthony Idowu Ajayi   +5 more
doaj   +1 more source

Sex-differences in excess death risk during the COVID-19 pandemic: an analysis of the first wave across Italian regions. What have we learned?

open access: yesGenus, 2022
In this commentary, we bring together knowledge on sex-differences in excess death during the first wave of the COVID-19 pandemic in Italy, one of the most hit European countries.
Silvia Rizzi   +2 more
doaj   +1 more source

Adolescent sexual and reproductive health research in sub-Saharan Africa: a scoping review of substantive focus, research volume, geographic distribution and Africa-led inquiry

open access: yesBMJ Global Health, 2021
Background Previous review studies have not systematically mapped the existing body of knowledge on adolescent sexual and reproductive health (ASRH) in sub-Saharan Africa (SSA).
Anthony Idowu Ajayi   +4 more
doaj   +1 more source

Effect of HIV status on fertility intention and contraceptive use among women in nine sub-Saharan African countries: evidence from Demographic and Health Surveys [PDF]

open access: yesGlobal Health Action, 2014
Background: Expanding access to antiretroviral therapy (ART) means that HIV is no longer a death sentence. This change has implications for reproductive decisions and behaviors of HIV-infected individuals.
Joyce N. Mumah   +2 more
doaj   +1 more source

Experimental evolution of a pheromone signal

open access: yesEcology and Evolution, 2022
Sexual signals are important in speciation, but understanding their evolution is complex as these signals are often composed of multiple, genetically interdependent components.
Thomas Blankers   +3 more
doaj   +1 more source

Interactions With Plant Defences Isolate Sympatric Populations of an Herbivorous Mite

open access: yesFrontiers in Ecology and Evolution, 2022
Host plant specialisation can promote evolutionary divergence between herbivore populations associated with different plant species. While the mechanisms by which specialist species exploit their hosts have been studied widely across taxa, less is known ...
Ernesto Villacis-Perez   +6 more
doaj   +1 more source

Progression of the smoking epidemic in high-income regions and its effects on male-female survival differences: a cohort-by-age analysis of 17 countries

open access: yesBMC Public Health, 2020
Background Of all lifestyle behaviours, smoking caused the most deaths in the last century. Because of the time lag between the act of smoking and dying from smoking, and because males generally take up smoking before females do, male and female smoking ...
Maarten Wensink   +4 more
doaj   +1 more source

Juvenile Spider Mites Induce Salicylate Defenses, but Not Jasmonate Defenses, Unlike Adults

open access: yesFrontiers in Plant Science, 2020
When plants detect herbivores they strengthen their defenses. As a consequence, some herbivores evolved the means to suppress these defenses. Research on induction and suppression of plant defenses usually makes use of particular life stages of ...
Jie Liu   +7 more
doaj   +1 more source

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