Immune Response and Affective States of Elderly and 50+ Individuals After Intentional and Indirect Contact With Nature

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

54 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-06-20

Study Completion Date

2025-06-30

Brief Summary

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Randomized clinical trial on the influence of intentional and indirect contact with nature on the immune response and affective states in people aged 50 years or older.

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Detailed Description

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Interaction with nature creates a state of physical relaxation, helping the individual to manage stress and promote health. Along with the ability to reduce stress, nature has been shown to improve immune function in some specific environments. Science already proves that stress conditions affect the immune capacity, generating pathological immune responses and inflammatory responses inappropriate. Therefore, if contact with nature is capable of reducing stress, through this study can find manifestations of improvement of the functions immunological.

This clinical trial aims to analyze intentional (Forest Bathing) and indirect contact (e-NatPOEM) with nature. After informed consent form, participants will be randomized to the study arms. Will be evaluated cells and enzymes of the of the immune system and affective states immediately before the intervention, 30 minutes post intervention, and within 48 hours and four weeks after the intervention. The hypothesis of our study is that both nature-based interventions will stimulate the immune system and will improve affective states. However, intentional direct contact with nature will have superior results than indirect contact.

Conditions

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Elderly

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Group A: intentional contact with nature

Group A volunteers will take a light walk along the park with green space in a single 1-hour session with an emphasis on sense-directed appreciation guided by research team.

Group Type ACTIVE_COMPARATOR

Intentional contact with nature

Intervention Type BEHAVIORAL

The participants will take a light walk in a park with green spaces guided by research team in a single 1-hour session, with an emphasis on sense-directed appreciation.

Group B: indirect contact with nature

The members of Group B will watch a video with the images of nature during 4 consecutive 15-minute sessions accompanied by the researcher, totaling 1 hour.

Group Type ACTIVE_COMPARATOR

Indirect contact with nature

Intervention Type BEHAVIORAL

The participants will watch a video with validated images of nature from e-Nature Positive Emotions Photography Database (e-NatPOEM). Four fifteen-minute sessions will be held on four consecutive days, totaling 1 hour.

Interventions

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Indirect contact with nature

The participants will watch a video with validated images of nature from e-Nature Positive Emotions Photography Database (e-NatPOEM). Four fifteen-minute sessions will be held on four consecutive days, totaling 1 hour.

Intervention Type BEHAVIORAL

Intentional contact with nature

The participants will take a light walk in a park with green spaces guided by research team in a single 1-hour session, with an emphasis on sense-directed appreciation.

Intervention Type BEHAVIORAL

Other Intervention Names

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e-NatPOEM Forest Bathing

Eligibility Criteria

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Inclusion Criteria

* individuals of both sexes
* capable of physical and mental to carry out the proposed activities
* capable of mental to fill in the questionnaires.

Exclusion Criteria

* autoimmune diseases
* chronic or acute inflammatory diseases
* disease that affects the response of the immune system
* neuromuscular problems
* oncological diseases and neoplastic
* individuals being treated with immunosuppressive drugs or that affect the immune system
* individuals who are under the influence of alcohol or other substances that interfere with cognitive ability
* those who have had contact intentional relationship with nature in the 30-day period prior to participating in the study

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes