Reduced stamina, difficulty concentrating, or feeling completely run down?

Understand what your body might be telling you, for free. Use Ada's free AI symptom assessment tool that was built with doctors.

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Get instant guidance with an AI powered symptom assessment

Take this AI symptom assessment if you have been experiencing symptoms like:

  • Profound exhaustion that worsens after minor physical or mental effort and does not improve with rest.
  • Widespread muscle pain and stiffness leading to mental "fog" or difficulty concentrating on tasks.
  • Persistent sluggishness and slow thinking accompanied by unexplained weight gain or sensitivity to cold.
  • Sudden onset of severe body aches and weakness, or a general "run-down" feeling alongside respiratory symptoms.

    The Ada AI assessment has been found to have 97% advice safety, comparable advice safety levels to licensed physicians. 1
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Use our free and confidential symptom assessment now.

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  1. BMJ Open (2020). How accurate are digital symptom assessment apps for suggesting conditions and urgency advice? Accessed on June 28, 2025. https://bmjopen.bmj.com/content/10/12/e040269