Behavioural Intervention to Decrease Exposure to Emerging Chemical Pollutants

• Guidelines from the public healthcare system (Behavioral): Healthy lifestyle guidelines from the public healthcare system, supported by short talks
• INPOL healthy lifestyle informative guidelines (Behavioral): Informative guidelines focused on how to decrease environmental chemical pollutant exposure, supported by short talks and social network interaction.

Primary outcomes

• Difference between groups in the average number of measured pollutants that decrease by at least 5% from baseline to the 3 month follow up [From baseline to 3 month follow-up]

Secondary outcomes

• Difference between groups in the average number of measured chemicals that increase by at least 5% from baseline to 3 month follow-up between groups [Baseline to 3 month follow-up]
• Difference between groups in the average individual chemical concentrations at 3-month follow-up [Baseline to 3 month follow-up]

Sex: All, ages: 30 Years to 60 Years, accepts healthy volunteers

Inclusion Criteria for the Screening phase:

* Not planning to change residence within one year after recruitment
* Spanish fluency
* Living independently in the community
* WhatsApp user
* Age 30-60 years
* Providing signed informed consent

Exclusion Criteria for the Screening phase:

* Unable to provide any of the required biological samples
* Suffering any chronic condition that substantially hinders adherence to the trial protocol and/or affects pollutant analyses
* Inability to understand the informed consent, questionnaires, or intervention
* Already participating in another intervention trial at the time of recruitment
* Pregnancy or lactation
* Inability to communicate with the research team and/or to attend the follow-up visits

Inclusion Criteria for the Intervention Phase:

* Not planning to change residence within one year after recruitment
* Spanish fluency
* Living independently in the community
* WhatsApp user
* Age 30-60 years
* Providing signed informed consent
* Participant of the Screening phase

Exclusion Criteria for the Intervention Phase:

* Unable to provide any of the required biological samples
* Suffering from any chronic condition that substantially hinders adherence to the trial protocol and/or affects pollutant analyses
* Inability to understand the informed consent, questionnaires, or intervention
* Already participating in another intervention trial at the time of recruitment
* Pregnancy or lactation
* Inability to communicate with the research team and/or attend follow-up visits