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| CBD dose | 0 | 200 | 400 | 800 |
|---|---|---|---|---|
| Gastrointestinal upset | 1 | 2 | 1 | 5 |
| Headache | 1 | 1 | 2 | 1 |
| Blurred vision | 2 | 0 | 1 | 1 |
| Anxiety | 1 | 3 | 0 | 0 |
| Fatigue | 0 | 1 | 0 | 1 |
| Cold symptoms | 1 | 0 | 1 | 1 |
| Pain (foot/hand/tooth) | 0 | 2 | 1 | 0 |
| Increased heart rate | 0 | 0 | 1 | 0 |
Cannabis strength was collapsed for each CBD dose. Data reflect each time a side-effect was reported within ⩽72 h following capsule administration across eight sessions (n=31).
