Oncology & Cancer

Q&A: Combating prostate cancer stigma

When U.S. Defense Secretary Lloyd Austin was diagnosed with prostate cancer, his illness was largely kept quiet from the public. Though Austin faced scrutiny for not being more forthcoming about his health, experts like Daniela ...

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Urine is a liquid waste product of the body secreted by the kidneys by a process of filtration from blood called urination and excreted through the urethra. Cellular metabolism generates numerous waste compounds, many rich in nitrogen, that require elimination from the bloodstream. This waste is eventually expelled from the body in a process known as micturition, the primary method for excreting water-soluble chemicals from the body. These chemicals can be detected and analyzed by urinalysis. Amniotic fluid is closely related to urine, and can be analyzed by amniocentesis.

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