Assertion: concussion's symptom | /r/CapableOf | evolve over time
Facets:
Source sentences:
text: Others may find that their sleep-related symptoms evolve over time.
text: Multiple, but not all, studies show persistence of these changes even as clinical symptoms and other measures (behavioural surveys, cognitive testing) tend to resolve over time.
text: Symptoms may evolve over time and appear to be caused by something other than the concussion or mild Traumatic Brain Injury (mTBI).