Feeling persistent sadness, hopelessness, or emptiness?

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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Mental health symptoms

Get instant guidance with an AI powered symptom assessment

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

  • A low mood that lasts for weeks and affects sleep or appetite.
  • Loss of interest in activities, fatigue, and feelings of worthlessness.
  • Periods of deep depression alternating with periods of high energy.
  • Low mood and sluggishness.

The Ada AI assessment has been found to have 97% advice safety, comparable advice safety levels to licensed physicians. 1

Ada web symptom assessment

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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