Diagnosis & Disease Information

Ginkgo biloba does not prevent dementia

Findings from a large, long-term study dispel the notion that ginkgo biloba—a popular herbal supplement widely purported to improve memory and cognition—prevents dementia or Alzheimer’s disease.

Dye binds to proteins altered by prostate cancer fo form PSA.

Popular drugs lower PSA levels

Two of the most commonly used classes of medication—statins and nonsteroidal anti-inflammatory drugs (NSAIDs)—may compromise already controversial cancer screenings by lowering serum levels of prostate-specific antigen (PSA).

Post-stroke anticoagulation?

An elderly man with a remote history of hemorrhagic stroke has a new deficit consistent with cerebrovascular accident. His chart says anticoagulation is contraindicated. CT is negative for hemorrhage. Can some anticoagulation, in particular, clopidogrel (Plavix), be used?—Edib Korkut, MD, Alexandria, La. This case raises several important issues. The history of the prior hemorrhagic stroke…

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