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Longitudinal Studies

Longitudinal Studies

Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...

Longitudinal Research

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...

Ethics in Research

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.

Hazard Ratio

Hazard Ratio

The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial evaluating a...

Purpose of Health Records II

Purpose of Health Records II

Health records serve various essential purposes in the healthcare system. Here are some key purposes:

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Related Experiment Video

Updated: May 15, 2026

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Published on: July 27, 2018

[Health research].

Adolfo Martínez-Palomo¹

¹Miembro del Colegio Nacional, México, D.F. amartine@cinvestav.mx

Gaceta Medica De Mexico

|December 21, 2012

Summary

Mexican health research has advanced, but more effort is needed. Strengthening current programs and creating new health research agendas are essential for better decision-making.

Area of Science:

Public Health
Health Services Research
Medical Research

Context:

Mexico faces challenges in integrating health research into policy.
Significant advancements in health research have been noted.
Existing efforts require reinforcement.

Purpose:

To highlight the need for strengthening health research in Mexico.
To advocate for the development of new health research agendas.
To improve evidence-based decision-making in health.

Summary:

Despite progress, Mexican health research requires enhanced integration into decision-making processes.
There is a recognized need to bolster current health research initiatives.
The generation of novel research agendas is crucial for addressing health priorities.

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Last Updated: May 15, 2026

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Published on: July 27, 2018

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies

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Published on: January 28, 2014

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting

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Published on: January 12, 2018

Impact:

Potential for improved health outcomes through better-informed policies.
Strengthened capacity for evidence-based health planning in Mexico.
A more robust and responsive national health research system.