zpostcode
doping
Dec 13, 2025 9:25 AM

  doping drug abuse Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/doping Share Share Share to social media Facebook X URL https://www.britannica.com/science/doping Written by Kara Rogers Kara Rogers is the senior editor of biomedical sciences at Encyclopædia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. She joined Britannica in 2006 and... Kara Rogers Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Last Updated: Sep 5, 2024 • Article History Table of Contents doping, use of substances or techniques to illegally improve human performance and, more specifically, to gain a competitive advantage in athletic events. In the realm of sports, doping is a complex issue, owing to impacts on not only the physical and mental health of athletes but also on the fairness and image of athletic competition. There are different forms of doping, which generally are classified as blood doping, gene doping, mechanical doping, and the use of performance-enhancing drugs (PEDs). Blood doping involves the use of substances or techniques that increase the number of circulating red blood cells or that increase ...(100 of 950 words)

  Access the full article Help support true facts by becoming a member. Subscribe today!

Comments
Welcome to zpostcode comments! Please keep conversations courteous and on-topic. To fosterproductive and respectful conversations, you may see comments from our Community Managers.
Sign up to post
Sort by
Show More Comments
Recommend >
Marcus Samuelsson
     Marcus Samuelsson Chef and restaurateur Marcus Samuelsson, 2022. (more) Marcus Samuelsson Ethiopian-born chef Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Marcus-Samuelsson Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction...
perseveration
  perseveration psychology Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/perseveration Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback...
What Are Torpedo Bats?
     Torpedo bat vs. traditional bat The newly designed torpedo bat (left) next to a conventionally shaped bat in the dugout during a Toronto Blue Jays–Washington Nationals game in Toronto, March 31, 2025. (more) What Are Torpedo Bats? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/sports/What-Are-Torpedo-Bats Feedback Corrections? Updates? Omissions? Let...
How Is Sugar Made?
     Sugar crops Structures of the sugarcane (left) and sugar beet (right). (more) How Is Sugar Made? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/technology/How-is-Sugar-Made Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar...
Information Recommendation
What’s the Difference Between a Symphony and an Orchestra?
     Orchestra An orchestra performing at the Hatch Memorial Shell in Boston. (more) What’s the Difference Between a Symphony and an Orchestra? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/art/Whats-the-Difference-Between-a-Symphony-and-an-Orchestra Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a...
Veronika Decides to Die
     Paulo Coelho Paulo Coelho, author of Veronika Decides to Die (1998), in 2008. (more) Veronika Decides to Die novel by Coelho Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Veronika-Decides-to-Die Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a...
William Moulton Marston
     William Moulton Marston, a pioneer in developing the lie detector American psychologist William Moulton Marston (seated, right) using the systolic blood pressure deception test, an early version of the lie detector, to check the pulse and blood pressure of James Alphonso Frye (center, wearing a white shirt) in 1926. The photo is a reenactment of Marston's use of the...
How Is Silk Made?
  How Is Silk Made? Actions Share Share Share to social media Facebook X URL https://www.britannica.com/technology/How-Is-Silk-Made Ask the Chatbot a Question Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They...
How Much Does an Elephant Weigh?
     The largest living land mammal on Earth African bush elephant (Loxodonta africana). (more) How Much Does an Elephant Weigh? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/How-Much-Does-an-Elephant-Weigh Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required)...
Can a U.S. President Serve a Third Term?
     Franklin D. Roosevelt The only U.S. president to have been elected to the office more than twice is Franklin D. Roosevelt. He was elected a third time in 1940 and a fourth time in 1944. (more) Can a U.S. President Serve a Third Term? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X...
How Hot Is the Sun?
     Sun without sunspots In January 2018 the Sun had no sunspots for almost two weeks. This spotless period was a prelude to an approaching period of solar minimum in 2019, when the sun's activity was at the low end of its 11-year cycle. (more) How Hot Is the Sun? Ask the Chatbot a Question More Actions Share Share Share...
How Was Mount Rushmore Built?
     Mount Rushmore National Memorial Sculpture of Abraham Lincoln under construction in the 1930s, Mount Rushmore National Memorial, southwestern South Dakota, U.S. (more) How Was Mount Rushmore Built? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/art/How-Was-Mount-Rushmore-Built Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article...