Cancer Claim Check
Careful, evidence-based looks at common cancer claims — what the evidence shows, what it doesn't, and why the claim spreads.
Articles about Cancer Claim Check
Cancer Claim Check
Can a Biopsy Spread Cancer? What the Evidence Shows
Many people worry that a biopsy will make cancer spread. What the evidence shows about this risk, why it's extremely rare, and why biopsies are important.
4 min read · Beginner
Cancer Claim Check
Can an Alkaline Diet Cure or Prevent Cancer?
The alkaline diet claims to fight cancer by changing your body's pH. Here is why that does not work. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Can Vitamins or Supplements Cure Cancer?
Some products claim vitamins or supplements can cure cancer. Here is what the evidence shows and why caution matters. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Do 5G, Wi-Fi, and Power Lines Cause Cancer?
Worries about 5G, Wi-Fi, cell towers, and power lines are common. Here is what the science says about these fields and cancer, based on NCI.
3 min read · Beginner
Cancer Claim Check
Do AirPods or Bluetooth Earbuds Cause Brain Cancer?
A viral claim says wireless earbuds like AirPods cause brain cancer. Here is what health agencies and the physics actually show. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Do Artificial Food Dyes Cause Cancer?
The FDA banned Red Dye No. 3 in 2025. Does that mean food dyes cause cancer in people? Here is what the evidence shows. Based on the FDA.
3 min read · Beginner
Cancer Claim Check
Do Artificial Sweeteners Cause Cancer?
Do sweeteners like aspartame cause cancer? Here is what regulators and cancer researchers actually conclude. Based on the National Cancer Institute and WHO.
3 min read · Beginner
Cancer Claim Check
Do Cell Phones Cause Cancer?
Do mobile phones cause brain tumors? Here is what large studies and cancer authorities actually find. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Do Chemical Hair Relaxers Cause Cancer?
A large NIH study linked frequent use of chemical hair straighteners and relaxers to uterine cancer. Here is what that does — and does not — mean. Based on the NIH Sister Study.
3 min read · Beginner
Cancer Claim Check
Do Fasting or the Keto Diet Cure Cancer?
Fasting and ketogenic diets are promoted to 'starve' cancer. Here is what the evidence shows and why they are not proven treatments.
3 min read · Beginner
Cancer Claim Check
Do Gas Stoves Cause Cancer?
Do gas stoves cause cancer by releasing benzene indoors? Here is what the emerging evidence shows and how ventilation helps. Based on peer-reviewed research.
3 min read · Beginner
Cancer Claim Check
Do GLP-1 Drugs Like Ozempic Cause Cancer?
Do weight-loss and diabetes drugs like Ozempic or Wegovy cause cancer, including thyroid cancer? Here is what the human evidence shows. Based on FDA labeling and research reviews.
3 min read · Beginner
Cancer Claim Check
Do Microplastics Cause Cancer?
Microplastics have been found throughout the body, raising fears they cause cancer. Here is what scientists actually know so far. Based on the American Cancer Society.
3 min read · Beginner
Cancer Claim Check
Do mRNA COVID Vaccines Cause 'Turbo Cancer'?
A viral claim says COVID mRNA vaccines cause fast-growing 'turbo cancers.' Here is what scientists and cancer data actually show. Based on public-health and research reviews.
3 min read · Beginner
Cancer Claim Check
Do Nonstick Pans Cause Cancer?
Do Teflon and other nonstick pans cause cancer? Here is what the evidence shows about the coating and about 'forever chemicals.' Based on the American Cancer Society.
3 min read · Beginner
Cancer Claim Check
Do Plastic Bottles Cause Cancer?
Viral emails warn that frozen or microwaved plastic bottles cause cancer. Here is what the evidence actually shows about plastics, BPA, and cancer.
3 min read · Beginner
Cancer Claim Check
Do Root Canals Cause Cancer?
A persistent online claim says root canal treatment causes cancer. Here is why dental and cancer experts reject it. Based on the American Association of Endodontists.
3 min read · Beginner
Cancer Claim Check
Do Seed Oils Cause Cancer?
Social media claims that seed oils like canola and sunflower oil cause cancer or inflammation. Here is what the evidence actually shows. Based on cancer-organisation reviews.
3 min read · Beginner
Cancer Claim Check
Do Tattoos Cause Cancer?
Some recent studies have linked tattoos to lymphoma and skin cancer. Here is what that association does — and does not — prove. Based on peer-reviewed research.
3 min read · Beginner
Cancer Claim Check
Do Underwire Bras Cause Breast Cancer?
A popular book claimed bras cause breast cancer by blocking lymph flow. Here is what the research actually shows about bras and breast cancer risk.
3 min read · Beginner
Cancer Claim Check
Does a Biopsy or Surgery Spread Cancer?
A common fear is that a biopsy or surgery makes cancer spread. Here is what the evidence shows, based on NCI.
3 min read · Beginner
Cancer Claim Check
Does Apple Cider Vinegar Cure Cancer?
Apple cider vinegar is promoted as a natural cancer cure and preventive. Here is what the evidence shows — and does not show.
3 min read · Beginner
Cancer Claim Check
Does Baking Soda Cure Cancer?
The claim that baking soda cures cancer by 'alkalizing' the body is popular online. Here is why the science does not support it — and why it can be risky.
3 min read · Beginner
Cancer Claim Check
Does Burnt or Charred Food Cause Cancer?
Does eating burnt toast or charred, grilled meat cause cancer? Here is what the evidence says about acrylamide and grilling compounds.
3 min read · Beginner
Cancer Claim Check
Does Coffee Cause Cancer?
Coffee was once flagged as a possible carcinogen. Here is what a major evidence review concluded — and the one real caveat about very hot drinks.
3 min read · Beginner
Cancer Claim Check
Does Deodorant or Antiperspirant Cause Breast Cancer?
A widely shared claim links underarm products to breast cancer. Here is what the evidence actually shows. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Does Fluoride in Drinking Water Cause Cancer?
Does fluoride added to tap water cause cancer, such as bone cancer? Here is what large reviews of the evidence find. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Does Frankincense Oil Cure Cancer?
Frankincense essential oil is promoted online as a natural cancer cure. Here is what the lab research does — and does not — show. Based on Cancer Council Australia.
3 min read · Beginner
Cancer Claim Check
Does Hair Dye Cause Cancer?
Does coloring your hair raise cancer risk? Here is what the research shows for personal use versus salon work, based on NCI.
3 min read · Beginner
Cancer Claim Check
Does Laetrile (Vitamin B17) Cure Cancer?
Laetrile, sold as 'vitamin B17,' is promoted as a natural cancer cure. Here is what studies show — and why it can be dangerous.
3 min read · Beginner
Cancer Claim Check
Does Methylene Blue Cure Cancer?
Methylene blue is trending online as a cure-all, including for cancer. Here is what the evidence shows and why caution matters. Based on research reviews.
3 min read · Beginner
Cancer Claim Check
Does Microwaving Food Cause Cancer?
Do microwave ovens make food radioactive or cancer-causing? Here is what is actually true. Based on the National Cancer Institute.
3 min read · Beginner
Cancer Claim Check
Does Milk or Dairy Cause Cancer?
Does drinking milk or eating dairy cause cancer? The evidence is mixed and depends on the cancer type. Here is what large reviews find. Based on the World Cancer Research Fund.
3 min read · Beginner
Cancer Claim Check
Does Ozone Therapy Cure Cancer?
Ozone therapy is promoted as an alternative cancer cure. Here is why regulators and researchers say it is unproven and can be risky. Based on the National Cancer Institute and FDA.
3 min read · Beginner
Cancer Claim Check
Does Soursop (Graviola) Cure Cancer?
Soursop, or graviola, is widely promoted online as a natural cancer cure. Here is what the evidence actually shows — and why relying on it can be risky.
3 min read · Beginner
Cancer Claim Check
Does Stress Cause Cancer? What the Evidence Shows
Does stress cause cancer? The evidence doesn't support a direct cause, but stress can affect health and behaviors. What's known — without adding blame.
4 min read · Beginner
Cancer Claim Check
Does Sugar Feed Cancer? What the Evidence Shows
The claim that "sugar feeds cancer" is a common worry. What the evidence actually shows about sugar, diet, and cancer — and why the idea is misleading.
5 min read · Beginner
Cancer Claim Check
Does Sunscreen Cause Cancer?
A social media claim says sunscreen causes cancer. Here is what the evidence shows — and why skipping sunscreen is the real risk. Based on the Skin Cancer Foundation.
3 min read · Beginner
Cancer Claim Check
Does Talcum Powder Cause Cancer?
Talcum powder has been the subject of lawsuits and headlines. Here is what the research actually shows about talc and cancer risk.
3 min read · Beginner
Cancer Claim Check
Does Turmeric Cure or Prevent Cancer?
Turmeric and its compound curcumin are studied in cancer research and hyped online. Here is what the evidence does and does not support.
3 min read · Beginner
Cancer Claim Check
Is Processed Meat Really Linked to Cancer?
Unlike many food scares, the processed-meat link is supported by evidence. Here is what IARC actually concluded — and how to read it sensibly.
3 min read · Beginner
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