In this guide 3 steps
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Overview
Answer a few questions about your use so the timings fit you better. Your answers stay on your device. Free users can answer the basic questions; the rest need Premium.
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Step 1
Open the health timeline and tap Personalize your timeline.

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Step 2
Tap Complete next to a substance.

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Step 3
Answer each question, then tap the button at the bottom to save.

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To change your answers, tap Edit next to the substance. The trash icon clears them.
Answer a few questions about your use so the timings fit you better. Your answers stay on your device. Free users can answer the basic questions; the rest need Premium.
- Open the health timeline and tap Personalize your timeline.
- Tap Complete next to a substance.
- Answer each question, then tap the button at the bottom to save.
To change your answers, tap Edit next to the substance. The trash icon clears them.