Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
what is the effect of caffeine on the brain | 0.67 | 1 | 1388 | 90 |
the effect of caffeine on the brain | 0.74 | 0.1 | 8880 | 100 |
what effect does caffeine have on the brain | 0.49 | 0.1 | 7642 | 65 |
what parts of the brain does caffeine effect | 1.15 | 1 | 9765 | 27 |
caffeine long term effect on brain | 0.56 | 0.5 | 1130 | 78 |