| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| negative effects of melatonin on depression | 1.13 | 0.5 | 2987 | 2 | 43 |
| negative | 0.72 | 1 | 9124 | 22 | 8 |
| effects | 1.27 | 1 | 9653 | 80 | 7 |
| of | 0.78 | 0.7 | 5725 | 58 | 2 |
| melatonin | 1.4 | 0.9 | 7953 | 68 | 9 |
| on | 1.74 | 0.3 | 853 | 82 | 2 |
| depression | 1.96 | 0.7 | 5921 | 84 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| negative effects of melatonin on depression | 1.65 | 0.9 | 3920 | 20 |
