"Jouw toestand kan opeens veranderen."
Translation:Your condition can change suddenly.
What is wrong with...your situation can change suddenly? This question need not only be health related.
You're correct: "toestand 1state, condition, situation: de toestand van de patiënt is kritiek the patient is in a critical condition; de toestand in de wereld the state of world affairs (source: Van Dale online Dutch dictionary)."
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