Blood doping is a method used by athletes to increase the number of their red blood cells, which increases their stamina and how much oxygen they can carry in their body during sports competitions. This method involves either injecting blood into the athlete's bloodstream or using substances that stimulate the production of red blood cells. Blood doping is considered illegal in sports because it can enhance performance beyond natural abilities and presents serious health risks such as blood clots, stroke, and heart problems.

英語での「blood doping」の定義と意味

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