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Written by Dee Mani on 13 October 2025

The Truth About Cancer: Root Causes, Research, and Rethinking Prevention.

A Conversation We Can’t Ignore.

Once a year, the world pauses to recognize World Cancer Day. It serves as a reminder of the scale of the challenge. There is a need for awareness, prevention, and better care. Whilst the themes may change each year. The message, however, is always the same. Cancer affects us all, and every journey is unique.

And yet, in reality, treatment is rarely treated as unique.

For many people, a cancer diagnosis still means receiving standard treatments. These include chemotherapy, surgery, or radiation. There is very little conversation about lifestyle, environment, or emotional well-being.

It’s time for a wider discussion. One that respects the role of modern medicine but also acknowledges the critical importance of prevention, trauma healing, nutrition, toxin reduction, and natural approaches to building resilience.

My Story: Healing Against the Odds

In 2017, I was diagnosed with grade 3 triple-negative breast cancer. My oncologists warned me that without chemotherapy, I wouldn’t live beyond a year.

But I made a different choice. Having seen loved ones suffer, and lives cut short through aggressive treatments, I decided to explore an alternative path. I turned to plant medicine, detoxification, nutrition, emotional healing, and lifestyle change.

Five months later, I was all clear.

My Way cancer book by Dee Mani

That experience became the foundation of my book My Way, which went on to become an Amazon best-seller.

Eight years later, I’m still here. Still healthy. Still proof that healing is about more than one standard approach.

The Cancer Industry: A System Built on Sickness?

Let’s address the elephant in the room: cancer is not just a disease. It’s also an industry worth over $200 billion globally, a figure expected to hit $400 billion by 2028.

That raises some uncomfortable questions:

  • Funding conflicts: Much of cancer research is financed by pharmaceutical companies with vested interests in conventional treatments.
  • Financial incentives: In some countries, oncologists receive bonuses tied to chemotherapy prescriptions.
  • Silence on alternatives: In the UK, the 1939 Cancer Act makes it illegal for doctors to recommend natural treatments outside surgery, chemo, or radiation.

This isn’t conspiracy, it’s economics. Patients deserve full-spectrum conversations, not one-size-fits-all scripts.

Chemo: The Standard Approach

Chemotherapy is one of the most widely used cancer treatments. It targets fast-dividing cells, which includes cancer cells, but also impacts healthy ones. That’s why side effects like hair loss, fatigue, immune suppression, and digestive issues are so common.

For some, chemo extends life. For others, it takes more than it gives. The real issue is not its existence, but the lack of dialogue around supportive care, lifestyle, and prevention strategies that could work alongside or beyond conventional approaches.

Understanding Cancer: A Survival Response

Here’s a different way to think about cancer: it’s not a foreign invader. It’s your own cells, adapting to survive in a toxic or depleted environment.

When cells are overloaded by:

  • Toxins (pesticides, pollution, heavy metals, plastics)
  • Nutritional depletion (processed foods, sugar, poor-quality fats)
  • Chronic stress (cortisol floods that suppress immunity)
  • Unresolved trauma (emotional wounds stored in the nervous system)
  • Sedentary lifestyles & EMF exposure (under study for biological effects)

…they adapt by changing how they produce energy and replicate. Cancer is less about “bad genes” and more about a body forced into survival mode.

Genetics vs Environment: What the Research Shows

We’ve been told cancer is written in our DNA. But studies suggest otherwise:

  • Less than 5% of cancers are strongly linked to inherited genes. Less than could actually equate to zero.
  • Lifestyle and environmental factors explain the majority of cases.
  • Even in families with genetic mutations (like BRCA), risk is heavily influenced by diet, stress, and toxins.

Genes may load the gun, but it’s environment, diet, and trauma that pull the trigger.

The Endocannabinoid System: An Overlooked Piece of the Puzzle

an illustration of the endocannabinoid system

Inside your body is the endocannabinoid system (ECS), a regulatory network that helps balance immunity, cell growth, stress response, and inflammation.

Researchers are studying how CBD (cannabidiol) interacts with this system. Early findings suggest CBD may:

  • Influence inflammatory pathways (chronic inflammation is a known cancer risk factor).
  • Reduce oxidative stress, which damages DNA.
  • Modulate immune activity, supporting recognition of abnormal cells.
  • A 2014 study suggested CBD inhibited colorectal cancer cell proliferation in experimental models.
  • A 2019 study found CBD induced apoptosis (programmed cell death) in tumour cells without harming healthy ones.
  • Breast cancer research indicates CBD may modulate invasion and proliferation pathways.
  • In lung cancer, studies link cannabinoid receptor expression with survival outcomes.

⚠️ Important: These are pre-clinical and exploratory studies. CBD is not a cure or prevention for cancer. But it’s an exciting area of research worth following.

Lifestyle as Prevention: Four Core Strategies

1. Nutrition: Starve the Fire, Feed the Cells

  • Ditch refined sugar and ultra-processed foods.
  • Load up on cruciferous veggies (broccoli, cabbage, sprouts).
  • Embrace turmeric, garlic, onions, and antioxidant-rich berries.
  • Drink clean, filtered water, avoid chemical-laden tap water.
  • Reduce factory-farmed meat and dairy, which carry hormones and antibiotics.

2. Stress: The Silent Killer

  • Chronic stress suppresses immunity and drives inflammation.
  • Tools: meditation, deep breathing, journaling, yoga, or walks in nature.
  • Sleep 7–9 hours. Your body repairs itself at night.
  • Protect your boundaries. Emotional health is just as important as physical.

3. Trauma: The Hidden Root

Many illnesses appear after major loss or unresolved emotional pain. Trauma deregulates the nervous system, leaving the body vulnerable.

  • Consider therapy, breathwork, or somatic healing.
  • Journaling and inner child work can release old patterns.
  • Forgiveness isn’t about excusing others — it’s about freeing yourself.

4. Immunity: Your Body’s Best Defence

Supportive tools many people explore include:

Cancer Vaccines: Hype vs Reality

Previous headlines tout experimental “cancer vaccines.” While the idea is intriguing, questions remain:

  • Do they address root causes like toxins, diet, stress, and trauma?
  • What are the long-term safety data?
  • Are they another “magic bullet” that overlooks the bigger picture?

For now, lifestyle and prevention remain the most proven tools in your hands.

Prevention Is in Your Hands

Cancer isn’t always an unlucky strike. It’s often a reflection of environment, diet, trauma, and toxins.

You can’t control everything, but you can control:

  • What you eat
  • How you move
  • How you manage stress
  • How you heal your past
  • The tools you use to support your immune system

Want to feel more confident in conversations with your oncologist?
Download my free guide: 12 Questions to Ask Your Oncologist. It’s designed to help you ask better questions, understand your options, and take back some control of your healing journey.

12 Questions to ask your oncologist, by Dee Mani

Written by Dee Mani

Dee Mani is the founder of My Way CBD, author of the bestselling book My Way, and a natural health consultant. Following a diagnosis of Triple Negative Breast Cancer in 2017, Dee chose a holistic approach focused on nutrition, lifestyle change, emotional wellbeing and plant medicine. After making a full recovery, she dedicated her life to helping others better understand the body, the endocannabinoid system, and the lifestyle factors that influence long-term health. Today, Dee educates thousands of people worldwide on CBD, cannabis, nervous system health, inflammation, hormones, trauma, nutrition and disease prevention. Through her writing, speaking and educational work, she is helping to change the conversation around natural health, personal responsibility and the body's remarkable ability to heal and maintain balance. Visit www.deemani.com to learn more.

Frequently Asked Questions (FAQ's) on Cancer

Q: Is cancer really genetic?

A: It's reported only <5% of cancers are strongly inherited. Most are influenced by lifestyle and environment. It's important to recognise that under 5%, could in fact be anywhere between 0-5%. This statistic could be misleading.

Q: Does CBD prevent or cure cancer?

A: No. Research is ongoing. CBD is being studied for its impact on inflammation, oxidative stress, and immune balance, but it is not a cure.

Q: Why don’t doctors talk about nutrition or CBD?

A: In countries like the UK, the 1939 Cancer Act restricts doctors from recommending natural therapies. Medical training also emphasizes conventional treatments over lifestyle.

Q: What’s the most important prevention step?

A: Think “balance”: whole foods, toxin reduction, stress management, trauma healing, and immune support.

Q: Where can I learn more about Dee's journey?

A: My Way shares how Dee Mani navigated healing from breast cancer. Available on to purchase directly at mywaycbd.com or any online bookstore, or by checking deemani.com

Disclaimer: This blog is for educational purposes only and does not provide medical advice. The information shared here is not intended to diagnose, treat, cure, or prevent any disease. Always talk to a qualified healthcare professional. Discuss any changes to your health routine with them. This is especially crucial if you are undergoing cancer treatment.


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Written by Dee Mani on 13 October 2025
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