Saw Palmetto Does Not Artificially Lower PSA

© Eric Yarnell, ND, Mar 2008, updated Feb 2013 Many patients have the concern that Serenoa repens (saw palmetto) extracts might interfere with the measurement of PSA and thus block a prostate cancer diagnosis. Many double-blind trials have shown no effect of saw...

Should I Have a Prostate Biopsy?

An extremely common scenario these days is that a screening PSA blood test is elevated, and a patient is told they need a prostate biopsy. However, up to a third of these biopsies do not find cancer, presumably because both benign enlargement of the prostate (BPH) and...

PSA Screening Fails Miserably

© Eric Yarnell, ND, May, 2010. Two large randomized trials published in the New England Journal of Medicine dealt two further devastating blows to the idea of using the total prostate-specific antigen (tPSA) blood test to screen for cancer. I say tPSA to differentiate...

Chemical-Free Lifestyle

In our modern world we are surrounded with synthetic chemicals that have essentially never been tested for safety in humans. We accept an enormous number of products and chemicals as normal yet they are practically unknown from an evolutionary perspective. Given the...

PSA Insufficient By Itself

PSA Test Mostly Useless Without Prostate Ultrasound © Eric Yarnell, ND, February 1, 2005. For decades now the prostate specific antigen (PSA) blood test has been considered the best way to determine if a man has prostate cancer. There has long been concerned voiced...