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So, you have been told to 'lower your cholesterol' with drugs. But could it be causing cancer?
A concerning new study published in the journal Clinical Epidemiology[i] has found that "statin use is associated with thyroid cancer in female patients."
Researchers hypothesized that in the presence of the female dominant hormone estradiol – a form of estrogen – statins are ineffective at exhibiting their long claimed 'cancer-protective properties.'
Another new study, however, also published in the journal Clinical Epidemiology, proposes that the problem lies in the immunosuppressive properties of the statin drugs themselves.[ii] Indeed, at Greenmedinfo.com, we've indexed over 25 different modes of toxicity within this drug class, with immunotoxicity figuring high on the list. You can view them all listed under the 'Adverse Pharmacological Actions' field set on our statin research page.
The reality is that the multi-billion dollar statin industry, invested as it is in promoting the concept that statins are anti-cancer agents, is guilty of publication bias, i.e., they only publish pro-statin studies and leave the negative or null finding studies in the wastebasket, even if it is highly unethical not to publish research that disproves their health benefits, or indicates their unintended, adverse effects.
In fact, there is an accumulating body of data indicating that statin drugs are actually cancer-promoting agents. Below is a sampling of the research on the topic:
- Heart Lung Circ: Statin use is associated with increased cancer incidence and death.
- CMAJ: Statin use is associated with increasing risk of cancer as age increases.
- J Am Coll Cardiol: Statin use is associated with increased risk for cancer.
- Cancer Epidemiol Biomarkers Prev: Long-term statin use is associated with an increased risk of ductal and lobular breast cancer among women 55-74 years of age.
- BJU Int: Statin use has an adverse effect on biochemical outcomes following radical prostectomy.
- Prostate: Statin use increases the risk of prostate cancer.
- Expert Opin Drug Saf: Statin drugs are associated with increased risk of kidney cancer.
- QJM: Statin drugs are associated with an increased risk of cancer.
This latest study on the potential for statin-induced thyroid cancer is supported by previous case studies. For instance, a report published in 2000 titled, "Development of thyroid follicular adenoma on simvastatin therapy," describes a patient who "developed follicular adenoma with prominent Hurthle cell changes after being on simvastatin for three months but not during one year of pravastatin therapy."[iii] The report advised: