Results 31 to 40 of about 454,814 (231)

The Microbiome of Neotropical Water Striders and Its Potential Role in Codiversification

open access: yesInsects, 2020
Insects host a highly diverse microbiome, which plays a crucial role in insect life. However, the composition and diversity of microbiomes associated with Neotropical freshwater insects is virtually unknown.
Anakena M. Castillo   +6 more
doaj   +1 more source

Drogas antidepressivas.

open access: yesActa Médica Portuguesa, 2011
Depression is a disorder of mood that causes strong impact on the patient and his family's quality of life. The increasing number of cases and its social consequences have made depression a great public health problem. Some depressant patients develop suicide thoughts and may try suicide later.
C Clayton Aguiar   +5 more
openaire   +2 more sources

Drogas y su relación con la delincuencia [PDF]

open access: yes, 2015
El estudio de la relación entre droga y delincuencia desde la perspectiva científico-social ha tomado con frecuencia como punto de partida la conexión entre la adicción a las drogas y la comisión de delitos.
Gómez Garví, Estefanía
core  

Volatile substance misuse among high school students in South America [PDF]

open access: yes, 2011
This article summarizes data from a 2004 study of over 300,000 high school students (aged 13–18 years) in nine South American countries. A probabilistic sample targeted urban secondary schools, utilizing a self-administered questionnaire on prevalence ...
Delva, Jorge   +3 more
core   +1 more source

Surveillance of Phenibut in Wastewater During a Brazilian Carnival

open access: yesDrug Testing and Analysis, Volume 18, Issue 2, Page 192-197, February 2026.
This study reports the first detection of phenibut in Brazilian wastewater. Phenibut, a substance readily sold online to improve concentration, reaches wastewater treatment plants (WWTPs) after consumption by the population. Samples from WWTPs in the cities of Recife and Olinda in Northeastern Brazil were collected during the world's largest Carnival ...
Bruna R. de S. Gomes   +5 more
wiley   +1 more source

Changing trends in drug overdose mortality in Spain, 2001–2022

open access: yesAddiction, Volume 121, Issue 2, Page 261-272, February 2026.
Abstract Aim To measure the evolution of drug overdose mortality in Spain between 2001 and 2022. Design, Setting, Participants A repeated cross‐sectional observational study using nationwide mortality data from Spain, 2001–2022, among individuals aged 15–64 years.
Florencia Giné   +6 more
wiley   +1 more source

Illegal drugs and the traffic: a problem rarely discussed in Brazil [PDF]

open access: yes, 2008
CONTEXTO: Dirigir é uma tarefa complexa na qual o condutor recebe informação continuamente, analisa-a e reage a respeito desta. Substâncias que influem nas funções cerebrais ou em processos mentais envolvidos na condução certamente irão afetar o ...
LEYTON, Vilma, PONCE, Julio de Carvalho
core   +3 more sources

When property becomes rent

open access: yesAmerican Ethnologist, Volume 53, Issue 1, Page 45-56, February 2026.
Abstract For millions of working‐class Mexicans, property has turned into rent. This transformation has fundamentally dislocated social reproduction in Mexico by eroding households’ ability to envision themselves as holders of patrimony and as lasting social formations. To understand how and to what effect property turned into rent, we must look to the
Inés Escobar González
wiley   +1 more source

Progression on drug use and its intervening factors among crack users [PDF]

open access: yes, 2002
OBJECTIVE: To establish a progression on drug use and its intervening factors among crack users. METHODS: A qualitative methodology was applied for an in-depth investigation, taking into consideration the interviewees' viewpoint of the problem.
Nappo, Solange Aparecida   +1 more
core   +4 more sources

Evaluating the Quality of Corruption Surveys for Comparative Research and Sustainable Development

open access: yesSustainable Development, Volume 34, Issue S1, Page 1144-1172, January 2026.
ABSTRACT Reliable and accurate corruption measurement is crucial for effective governance, evidence‐based policymaking, and the monitoring of global goals such as the United Nations Sustainable Development Goals (SDGs). While perception‐based corruption metrics are widely used, they face criticism due to conceptual ambiguities and vulnerability to ...
Giulia Mugellini   +2 more
wiley   +1 more source

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