10 Cancer Myths Debunked

Todd W Franzen

September 24, 2023

Separating Fact from Fiction

A painting named "debunking myths" in the style of conceptual art with the text 10 Cancer Myths Debunked: Separating Fact from Fiction

10 Cancer Myths Debunked: Learn the truth and discover natural ways to treat cancer.

As two-time lymphoma cancer survivors, we understand the importance of accurate information regarding cancer. Unfortunately, many cancer myths can lead to unnecessary fear and confusion.

It’s important to note that the information presented in this article is for educational purposes only and is not intended to diagnose, prescribe, treat, or cure cancer.

I am a cancer survivor specialist, not a qualified healthcare professional. I encourage you to seek advice from a qualified healthcare professional if you have any concerns about cancer.

Let’s dive into the ten most common cancer myths and separate fact from fiction.

Key Takeaways

  • Cancer myths can lead to needless worry and prevent sound decision-making.
  • There is a lot of conflicting information and opinions about what causes cancer.
  • It’s essential to seek advice from a qualified healthcare professional if you have any concerns about cancer.

The 10 Most Common Cancer Myths Exposed

Myth 1: Cancer Causes Hair Loss

Many people believe that cancer causes hair loss. However, this is not true. Chemotherapy is the reason behind hair loss. Chemotherapy targets all fast-dividing cells, including healthy and cancer cells. Hair cells are some of the fastest-growing cells in the body, and as chemotherapy works against cancer cells, it also destroys hair cells. Hair loss is a common side effect of chemotherapy.

Myth 2: There Is No Cure For Cancer, And You Need To Treat Everything With Chemo, Radiation, And Surgery

Most people believe there is no natural cure for cancer and you can do nothing about it. The cancer industry tells us that natural remedies don’t work and that you must treat everything with chemo, radiation, and surgery.

However, many people have treated cancer the natural way and survived. There are hundreds of remedies for cancer that have saved people from disease. Chemo, radiation, and surgery have poor results in treating cancer. They only handle the symptoms of cancer and can never cure cancer.

Pharmaceutical companies generate greater profits by providing multiple treatment sessions for cancer. However, their financial gains would be significantly diminished if they were to achieve a complete cure for patients.

Myth 3: Your Genes Are Causing All Cancer

Many people believe that their genes are causing all cancer. However, genetics specialists estimate that only 2 to 3% of people get cancer due to an inherited gene fault. Our genes do not cause cancer. Our diet and other factors are more to blame for the higher assurance of cancer. People who don’t have a family history of cancer have gotten cancer. Our choices affect the growth of cancer and not necessarily our genes.

Myth 4: The Sun Causes Cancer

Many people believe that the Sun causes cancer. However, avoiding the Sun is one of our significant offenses. The Sun is the best source of vitamin D, a crucial hormone for maintaining good health. Several studies show the positive effect vitamin D has on cancer.

If you get the right amount of sun exposure and don’t overdo it, being in the Sun is one of the best ways to maintain good health. Sunscreens are doing more harm to the body than the Sun does. They block the body from absorbing vitamin D, and several sunscreens contain dangerous chemicals that increase the cancer risk.

Myth 5: Your Diet Doesn’t Cause Cancer

Many people believe their diet has nothing to do with cancer growth and that the unlucky ones get cancer. However, our diet is one of the biggest culprits in manifesting cancer. Our Western diet, consisting of animal products and unhealthy fats, is killing us. When you eat meat, you raise your risk of getting more cancer. Humans can’t digest meat that well, creating havoc in our bodies. Meat increases Insulin Growth Factor 1 (IGF1) in our bodies. IGF1 is a growth hormone that increases the risk of cancer.

Meat eaters have a higher rate of IGFI in the bloodstream than vegans. Cooking meat creates toxic HCAs that are carcinogenic and can cause more cancer. HCAs don’t seem to manifest when you cook vegetables. According to many scientific studies, vegans have less cancer than meat eaters.

Myth 6: All Sugars Cause Cancer

Many people believe that all sugars cause cancer. Although research has shown that cancer cells consume more sugar (glucose) than normal cells, no studies have shown that eating sugar will worsen your cancer or that if you stop eating sugar, your cancer will shrink or disappear. However, consuming too much sugar can lead to obesity, increasing cancer risk.

Click Here for my deep dive into Sugar and Cancer.

Myth 7: Cancer Screening Saves Lives

Many people believe that cancer screening saves lives. However, cancer screening can often lead to overdiagnosis and overtreatment. Overdiagnosis occurs when a screening test detects a cancer that would not have caused symptoms or death in a person’s lifetime.

Overtreatment occurs when a person receives treatment for a cancer that would not have caused symptoms or death in their lifetime. Therefore, cancer screening should be done cautiously, and the benefits and risks should be weighed carefully.

Myth 8: Cancer Is A Death Sentence

Many people believe that cancer is a death sentence. However, cancer is not always fatal. Many people survive cancer and live long, healthy lives. Early detection and treatment increase the chances of survival. Therefore, it is essential to get regular check-ups and annual blood work and physicals.

Myth 9: Cancer Is Contagious

Many people believe that cancer is contagious. However, cancer is not contagious. Cancer is caused by changes (mutations) in the genes of cells. These mutations can be caused by smoking, radiation, and certain chemicals. Cancer cannot be spread from person to person through contact.

Myth 10: Do Antiperspirants cause cancer?

As a 2-time Hodgkins Lymphoma survivor, I’ve encountered many cancer questions and concerns. One myth that often arises is the belief that antiperspirants can cause cancer. It’s a topic that deserves clarity.

First and foremost, let me reassure you, dear survivor, that there is no direct evidence linking antiperspirants to cancer. This myth may stem from concerns about the aluminum compounds sometimes found in these products. These compounds temporarily block sweat glands, reducing perspiration. However, they do not enter the bloodstream in significant amounts.

While some studies have explored this connection, they haven’t provided conclusive evidence of harm. As someone who has battled cancer twice, I understand the importance of scrutinizing potential risks. Rest assured, using antiperspirants in moderation, as directed, should not be a source of worry on your survivorship journey.

In our quest for truth and wellness, relying on evidence-based information is crucial. Focus on maintaining a healthy lifestyle, staying active like the cyclist, snowboarder, and golfer in me, and following your doctor’s advice. This approach will empower you to thrive in your survivorship, leaving myths like this one behind. -T

Frequently Asked Questions

Can cancer be transmitted through saliva?

No, cancer cannot be transmitted through saliva. Cancer is caused by mutations in the DNA of cells in the body and is not contagious. While viruses such as HPV and Hepatitis B and C can increase the risk of certain types of cancer, they are not transmitted through saliva.

Is stage 4 lung cancer contagious?

No, stage 4 lung cancer is not contagious. Cancer is caused by mutations in the DNA of cells in the body and is not infectious. While smoking and exposure to certain chemicals and pollutants can increase the risk of lung cancer, it is not contagious.

Why is cancer not contagious?

Cancer is not contagious because mutations in the DNA of cells in the body cause it. Various factors, including exposure to carcinogens and genetic predisposition, can cause these mutations. Still, they are not caused by a virus or bacteria that can be transmitted from person to person.

What are three cancer-causing agents that have existed for hundreds of years?

Three cancer-causing agents that have existed for hundreds of years include tobacco, alcohol, and exposure to ultraviolet radiation from the Sun. These agents have been linked to an increased risk of several types of cancer, including lung, liver, and skin cancer.

What stops cancer cells from growing?

Several treatments, including chemotherapy, radiation, and targeted therapy, can stop cancer cells from growing. These treatments work by targeting and killing cancer cells, slowing their growth, and preventing them from dividing.

How do I keep my mind off cancer?

Keeping your mind off cancer can be challenging, but several strategies may help. These include staying active, practicing relaxation techniques such as meditation or yoga, seeking support from friends and family, and focusing on activities that bring you joy and fulfillment. Working closely with your healthcare team to develop a treatment plan that meets your needs and preferences is also essential.

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Todd W Franzen


I am a two-time Hodgkin's lymphoma survivor with 17 years of documented cancer survivorship experience that spans multiple treatment eras. My journey began in November 2009 with a Stage 4B diagnosis at age 33, and continued through recurrence and treatment in 2019-2021. This rare longitudinal perspective—living through two complete treatment cycles a decade apart—gives me comparative insight into cancer care evolution that no single medical professional can replicate.

MY TREATMENT EXPERIENCE

First Treatment Cycle (2009-2010)
• 12 infusions of ABVD Chemotherapy over 6 months
• 2 infusions of ICE Chemotherapy (4-day infusions)
• 1 infusion of BEAM Chemotherapy
• 1 Autologous Stem-Cell Transplant
• 8 PET Scans
• 6 CT Scans

Second Treatment Cycle (2019-2021)
• 2 infusions of Brentuximab and Bendamustine
(Severe allergic reaction to Brentuximab — hives)
• 25 rounds of Radiation to Mediastinum (46RAD combined)
• 4 infusions of Keytruda Immunotherapy
• 2 infusions of IGEV Chemotherapy (5-day infusions)
• 1 Total Body Radiation (2RAD)
• 1 Sibling Allogeneic Stem-Cell Transplant
• 6 PET Scans
• 6 CT Scans

COMPARATIVE EXPERTISE

Surviving two stem-cell transplants—one autologous, one sibling allogeneic—across different decades of cancer treatment has given me firsthand experience with nearly every major modality in lymphoma care: combination chemotherapy, salvage chemotherapy, immunotherapy, radiation protocols, and both types of stem-cell transplantation. I've experienced treatment side effects from the "standard" ABVD era through the modern immunotherapy period.

This comparative expertise matters for survivors. Treatment protocols in 2009 looked very different from 2019, and the long-term survivorship implications are still emerging. Doctors treat; survivors live with the aftermath. I've done both—twice.

CREDENTIALS & PROJECTS

• Founder: Strap In For Life 501(c)(3) nonprofit
• Author: Internal Architect: A Cancer Survivor's Memoir
• Licensed Insurance Agent (practical healthcare system navigation)
• 17-year cancer survivor documenting the journey since 2008

WHAT I WRITE ABOUT

Cancer survivorship doesn't end when treatment stops—it's when the real reconstruction begins. My blog covers:
• Practical survivorship (relationships, careers, identity)
• Treatment experience insights (what they don't tell you)
• Long-term effects and secondary health considerations
• Mental health and emotional reconstruction
• Healthcare system navigation

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