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Diagram of a prostate tumor pressing on the urethra
Diagram of a prostate tumor pressing on the urethra

Prostate cancer is the uncontrolled growth of cells in the prostate. It is often detected through blood tests for prostate-specific antigen, followed by a biopsy. Most prostate tumors (diagram pictured) cause no health problems, and are managed with surveillance. Dangerous tumors can be surgically removed or destroyed with radiation therapy. Those whose cancer spreads receive hormone therapy, targeted therapy, and eventually chemotherapy. Most tumors are confined to the prostate, and 99% of men survive ten years post-diagnosis. Those whose tumors have metastasized to distant body sites have a poorer prognosis; 30% to 40% are still alive five years after diagnosis. Each year 1.2 million men are diagnosed with prostate cancer and 350,000 die of the disease, making it the second-leading cause of cancer in men. Prostate tumors were first described in the mid-19th century. Hormone therapies were developed in the mid–20th century, resulting in Nobel Prizes for their developers Charles Huggins and Andrzej Schally. (Full article...)

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Engraving of the columns, c. 1716
Engraving of the columns, c. 1716
  • ... that the peak of the Julier Pass, 2,284 metres (7,493 ft) above sea level, is flanked by two ancient Roman columns (pictured)?
  • ... that executive John Spytek helped the Tampa Bay Buccaneers sign Tom Brady, more than 20 years after Spytek played with him?
  • ... that a Florida TV station's decision to fire one of its main newscasters led to picketing?
  • ... that the wuxia star Wu Suxin passed as a man in several of her films?
  • ... that the pilot episode for a BBC series on a suicide prevention charity made some critics laugh?
  • ... that Syrian vlogger Hayla Ghazal used online humour to explore the limitations placed on women in the Arab world?
  • ... that the Polish subgenre of speculative fiction known as klerykal fiction emerged in the 1990s as a response to societal fears of church influence in politics?
  • ... that the bugia, a ceremonial candlestick used by Latin Catholic bishops, is named after the Algerian city of Béjaïa, which was a source of candle wax?
  • ... that Brooklyn's Roll-A-Palace has been called "the front-runner of the roller-disco craze"?
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Fireball from the Learjet crash
Fireball from the Learjet crash
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All anniversaries - Éphéméride du 4 February - Évènements de 2004

February 4: World Cancer Day (2000)

Execution of John Rogers
Execution of John Rogers
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