| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| caffeine and sympathetic nervous system | 0.76 | 0.4 | 295 | 46 | 39 |
| caffeine | 1.63 | 0.6 | 6096 | 95 | 8 |
| and | 0.79 | 0.9 | 7804 | 15 | 3 |
| sympathetic | 1.89 | 0.4 | 9095 | 67 | 11 |
| nervous | 1.21 | 0.4 | 4546 | 83 | 7 |
| system | 0.65 | 0.7 | 9591 | 96 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| caffeine and sympathetic nervous system | 1.34 | 0.5 | 5561 | 89 |
| caffeine sympathetic nervous system | 1.66 | 0.4 | 3098 | 30 |
| caffeine and the nervous system | 1.42 | 0.4 | 2568 | 38 |
| caffeine and central nervous system | 1.5 | 0.4 | 6475 | 93 |
| caffeine effect on the central nervous system | 1.12 | 0.7 | 7004 | 30 |
| caffeine effects on nervous system | 1.02 | 0.1 | 8659 | 80 |
| effect of caffeine on nervous system | 1.71 | 0.9 | 8228 | 32 |
| how does caffeine affect the nervous system | 1.81 | 1 | 3724 | 97 |
| does caffeine stimulate the nervous system | 0.73 | 0.3 | 1407 | 70 |
| coffee sympathetic nervous system | 0.12 | 0.9 | 6224 | 21 |
| caffeine central nervous system stimulant | 0.67 | 0.2 | 9970 | 91 |
| coffee and nervous system | 1.58 | 0.9 | 1236 | 9 |
| caffeine and brain nerves | 0.87 | 0.6 | 637 | 88 |
| why does caffeine make me nervous | 0.9 | 0.1 | 7095 | 93 |
| how does coffee affect the nervous system | 1.88 | 0.6 | 6087 | 9 |
| how does caffeine impact the cns | 0.59 | 0.7 | 4664 | 18 |
