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Date Submitted:
12/11/07
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Why Obese Men Post Lower PSA Levels
Description:
TUESDAY, Nov. 20 (HealthDay News) -- In recent years, doctors have learned that they need to adjust the results of blood tests to properly diagnose prostate cancer in obese men, but now researchers think they know why.
It turns out that larger men have more blood, which dilutes the levels of the protein called PSA -- a key indicator of prostate trouble. The new study doesn't definitively prove why overweight and obese men with prostate cancer tend to score lower on the PSA (prostate specific antigen) test, but it does give doctors an idea about what may be going on, said study co-author Dr. Stephen Freedland, an assistant professor of urology and pathology at Duke University. "PSA is not a bad test for obese men. We just need to know how to use it," he said. "If we use it correctly, it will be just as good as in normal-weight men." Prostate cancer strikes one in six men, mostly those over the age of 65, according to the Prostate Cancer Foundation. Older men often routine Read the Complete Article Similar content: Post-traumatic Epilepsy in Our Military and Among Civilians, in Epilepsy Gene Tied to Post-Op Delirium in Elderly, in Alzheimers FDA to Monitor Post-Market Drug Safety, in Multiple Sclerosis LDL Levels Well Below Current Recommendations Are Most Beneficial , in Heart Disease Older Women Gain From Good Post-Fracture Care, in Arthritis |
