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  1. Home/
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  3. Andrea Rezes Esmeraldino
Andrea Rezes Esmeraldino

About:

Andrea Rezes Esmeraldino

Cannabis researcher and trainer | Cannactiva CBD product expert

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Cannabis researcher and trainer | Cannactiva CBD product expert

With extensive experience in the world of cannabis, Andrea is an expert in Cannactiva's CBD products. She works with customers every day, advising them to improve their CBD experience and clarifying questions about our products, methods of use and other queries about CBD.

She is also dedicated to researching the benefits of CBD and serves as a trainer on Cannactiva products.

Education and professional background

Degree in Social and Cultural Anthropology from the University of Granada. She completed specialised training in Introduction to the Cannabis World, properties of cannabinoids and risk prevention in cannabis use, taught by Medcan - Medical Cannabis Center.

She has also undertaken cannabis-related training at the International Center for Ethnobotanical Education (ICEERS), participating in the V Seminar on Cannabis and Pain within the CannabMed Project.

Since 2017, she has worked as a researcher in the cannabis field, focusing on the use and properties of CBD as well as the historical and political dimensions of the Cannabis sativa plant, in projects across the United States, Brazil and Spain.

In 2018 she worked in Barcelona with the Medcan Project, creating content for its social media and advising clients and project members on CBD use.

She delivered lectures at the Federal University of Santa Catarina in Brazil in 2019 on the applications of CBD.

Since 2018, she has been an indispensable part of the Cannactiva family.

Posts by Andrea Rezes Esmeraldino:

Endocannabinoids: what they are, their types and functions
Cannabis plant
1 Sept 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

Endocannabinoids: what they are, their types and functions

Endocannabinoids, or endogenous cannabinoids, are chemical substances produced by our body that have an impact throughout the whole body, especially in the brain.

Read more →
Cannabis science
Where does the word “marijuana” come from? Origin and history
History and culture of cannabis
2 Jul 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

Where does the word “marijuana” come from? Origin and history

The origin and history of the word “marijuana”: its birth in Mexico, the theories about its etymology, the prohibition that stigmatised it and why it isn't the same as “cannabis”.

Read more →
Cannabis culture
Effects of CBD: what it does in your body and how it works
CBD and wellness
5 Jun 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

Effects of CBD: what it does in your body and how it works

What effects CBD has on the body: what it feels like, how it acts, whether it gets you high, whether it is addictive and how long it lasts. A clear, science-based guide.

Read more →
CBDAddictions & habits
Sativa vs indica: the main differences explained
Cannabis plant
31 May 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

Sativa vs indica: the main differences explained

Do you know the differences between indica and sativa? Indica brings relaxation and pain relief, while sativa has a more cerebral, stimulating effect. Find out more in this post. It's one of the most fascinating topics in cannabis!

Read more →
CBDTerpenesPain & discomfort
CBD for sleep
CBD usage guides
29 May 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

CBD for sleep: how to take it, dosage and which oil to choose

A guide to CBD for sleep: how to take it, what doses appear in the studies, which oil to choose and what the science says (2023-2026).

Read more →
CBDSleep & rest
CBD for chronic pain: real benefits and expectations
CBD and wellness
1 May 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

CBD for chronic pain: real benefits and expectations

What the science really says about CBD and chronic pain: which pain types it has been studied for, how it's used, safety and interactions, with realistic expectations.

Read more →
CBDPain & discomfortInteractions & precautions
Guide to buying the best CBD oil: how to choose the right one
CBD usage guides
3 Apr 2026

Updated: 29 Oct 2026

By Andrea Rezes Esmeraldino

Guide to buying the best CBD oil: how to choose the right one

The ABC of buying the best CBD oil: which concentration to choose, type of CBD, quality and dosage. Improve your wellbeing with confidence.

Read more →
CBDCBD oil
CBD benefits for wellbeing
CBD and wellness
26 Mar 2026

Updated: 29 Oct 2026

By Andrea Rezes Esmeraldino

CBD benefits for wellbeing

CBD is a natural compound found in hemp, non-psychoactive and recognised as safe by the WHO. Find out what scientific research says about its wellbeing benefits, how to make it part of your daily routine and which CBD products are available.

Read more →
CBDSkin & cosmetics
Sublingual CBD oil: what you should know before taking it
CBD usage guides
22 Mar 2026

Updated: 30 Oct 2026

By Andrea Rezes Esmeraldino

Sublingual CBD oil: what you should know before taking it

Learn about the benefits of using sublingual CBD oil. Find out how to take it and its advantages over other ways of using CBD.

Read more →
CBDCBD oil
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