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Most direct-to-consumer medical tests advertised online found not useful

Posted 30 January 2024

Australian researchers have found most direct-to-consumer (DTC) diagnostic, screening and risk-monitoring tests sold online are unlikely to benefit the average consumer.

Reference: Shih P, and others. Direct-to-consumer tests advertised online in Australia and their implications for medical overuse: Systematic online review and a typology of clinical utility. BMJ Open, 13(12):e074205, 2023

Two of the researchers independently conducted systematic searches using Google and Google Shopping in October 2020 and identified 177 home self-tests, 65 self-collected direct-access pathology tests (DAPTs), and 242 lab-collected DAPTs. Out of all 484 tests, researchers found:

  • 7% had potential clinical utility
  • 6% had limited clinical utility
  • 9% were non-evidence-based commercial ‘health checks’
  • 7% had methods and/or target conditions not recognized by the general medical community

The last category included these methods lacking clinical validity for conditions they’re intended to test for:

  • (a) hair metal and mineral analysis, and mycotoxin test for environmental
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Health Coach Academy – Intolerance testing

Posted 28 August 2018

The Health Coach Academy is advertising “Intolerance, Deficiency and Toxicity Testing” claiming to be effective in solving “undetected food or environmental sensitivity and intolerance, a vitamin or mineral deficiency or metal toxicity”.

The website claims that that identification of these are via “intolerance, deficiency & toxicity tests performed via hair analysis using bio-resonance technology“. 

Only one big problem – there is no evidence that these tests are useful at all. In fact, there is evidence that they are useless. 

Read more on the quackery of bioresonance here

Beware, avoid.

Mary Comerce is the Founder/Director/Health Coach of the company and I am not able to find evidence of medical related training.

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