Unsolved:Battery theory

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Short description: Fringe theory on biological lifespans

The battery theory of life force is a fringe belief that human beings are born with only a finite amount of energy, which is depleted by physical activity. Persons who subscribe to this theory avoid exercising whenever possible, in the belief that it would cause them to die sooner.[1] Mainstream medical science rejects this view.[2][3][4][5]

US President Donald Trump has been widely reported as subscribing to this view,[6] which is why he avoids most forms of exercise apart from golf. Trump once told an interviewer that all of his friends who worked out ended up getting knee and hip replacements, a normal remedy for the wear and tear of joints connected to osteoarthritis.[7][5]

See also

References

  1. Belluz, Julia (2017-05-09). "Donald Trump thinks exercise will kill you" (in en-US). https://www.vox.com/science-and-health/2017/5/9/15590962/donald-trump-thinks-exercise-will-kill-you. 
  2. Thomson, Angus (2025-10-02). "Trump thinks the body works like a battery. Scientists have shown why he's wrong" (in en). https://www.theage.com.au/national/trump-thinks-the-body-works-like-a-battery-scientists-have-shown-why-he-s-wrong-20251001-p5mz8j.html. 
  3. "Trump's Alleged Long-Held Theory Has Resurfaced And … Wow" (in en). 2025-12-05. https://www.huffpost.com/entry/trumps-exercise-and-energy-belief_n_6930cc7ae4b0cee4438247cf. 
  4. Heggie, Vanessa (2017-05-15). "Trump has a theory about exercise that would fit well in Victorian Britain" (in en-GB). The Guardian. ISSN 0261-3077. https://www.theguardian.com/science/the-h-word/2017/may/15/trumps-theory-exercise-victorian-britain-eugenics-sexism. 
  5. 5.0 5.1 Kasprak, Alex (2017-05-18). "Does the Body Have a Finite Amount of Energy?" (in en). https://www.snopes.com//fact-check/trump-body-finite-energy/. 
  6. "Trump thinks that exercising too much uses up the body's 'finite' energy" (in en-US). The Washington Post. 2017-05-12. ISSN 0190-8286. https://www.washingtonpost.com/national/health-science/trump-thinks-that-exercising-too-much-uses-up-the-bodys-finite-energy/2017/05/12/bb0b9bda-365d-11e7-b4ee-434b6d506b37_story.html. 
  7. Cillizza, Chris (2019-02-08). "It's time to revisit Donald Trump's 'battery' theory of life force" (in en). https://www.cnn.com/2019/02/08/politics/donald-trump-exercise-health-physical.