Tag: screening tests

Everlywell: At-Home Lab Tests That Don’t Make Sense

EverlyWell offers 34 at-home tests for everything from IgG tests for food sensitivities to a Sleep and Stress test. Most of them make no sense and are likely to mislead customers.

/ June 4, 2019

SmartJane Test of Vaginal Health: Clever Marketing, Questionable Science

uBiome claims that its SmartJane test's proprietary technology empowers customers to assess their own vaginal health. The company is being investigated for fraudulent billing practices, and the rationale for the test makes no sense.

/ May 14, 2019

Kidney Cancer and Incidentalomas

Kidney cancer diagnoses are increasing but there has been no increase in mortality or rate of metastases. Kidney cancer is most often diagnosed as an incidental finding on a CT scan that was done for unrelated reasons. Treatment may not always be needed.

/ February 12, 2019

MyMedLab Offers Expensive, Useless, Nonstandard Lab Tests

Direct to consumer lab testing is good marketing but not good medicine. For instance, there is no reason to spend $199 to measure glyphosate levels in your blood.

/ February 6, 2018

How accurately do physicians estimate risk and benefit?

A new study suggests that physicians tend to overestimate the benefits of treatments, tests, and screening tests, while also underestimating harms.

/ January 26, 2017

The ROCA Screening Test for Ovarian Cancer: Not Ready for Prime Time

Ovarian cancer is relatively rare but deadly. The lifetime risk of ovarian cancer is 1.5% compared to 12% for breast cancer, but it is the 5th most common cause of cancer death for women. Since the ovaries are hidden deep in the pelvis and the symptoms of ovarian cancer are non-specific, the cancer is often advanced by the time it is diagnosed...

/ June 21, 2016

Vitamin D: To Screen or Not to Screen?

Vitamin D, the so-called sunshine vitamin, has generated a lot of attention in recent years. It has been claimed to benefit a wide variety of diseases, everything from cancer to multiple sclerosis. It is widely used along with calcium for bone health. It is added to milk and prenatal vitamins and is prescribed for breastfed babies. Some doctors are recommending everyone take...

/ December 2, 2014

Recent Developments and Recurring Dilemmas in Cancer Screening: Colon, Lung, Thyroid

A new stool DNA test was recently approved by the FDA for colon cancer screening. My first reaction was “Yay! I hope it’s good enough to replace all those unpleasant, expensive screening colonoscopies.” But of course, things are never that simple. I wanted to explain the new test for our readers; but before I could start writing, some other issues in cancer...

/ November 18, 2014

Colonoscopy and Other Colorectal Cancer Screening Options: An Update

When I wrote about colonoscopy in 2010, colonoscopy was thought to be the best screening test for colorectal cancer because it could visualize the entire colon and could remove adenomas that were precursors of cancer. But only fecal occult blood testing (FOBT) and sigmoidoscopy had been proven to decrease colorectal cancer incidence and mortality (by 16% and 28%, respectively). Observational evidence suggested...

/ November 12, 2013

A Skeptical Look at Screening Tests

Not all screening tests are worth taking. And in particular, some screening tests are worthless.

/ July 23, 2013