| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| caffeine and alcohol effects on heart | 1.86 | 0.6 | 5233 | 83 |
| caffeine and the effects on the heart | 0.38 | 1 | 3062 | 62 |
| effects of caffeine on heart | 1.81 | 0.6 | 1042 | 74 |
| negative effects of caffeine on the heart | 0.62 | 0.4 | 1542 | 77 |
| caffeine impact on heart | 0.37 | 0.6 | 5720 | 60 |
| how caffeine affects the heart | 1.16 | 0.7 | 5369 | 29 |
| how does caffeine affect heart health | 1.29 | 0.7 | 580 | 67 |
| caffeine and the heart problems | 1.29 | 0.1 | 3934 | 78 |
| effects of caffeine on heart rate | 0.02 | 0.6 | 955 | 78 |
| effects of caffeine on the heart | 1.2 | 0.8 | 8466 | 66 |
| caffeine and its effects on the heart | 1.16 | 0.2 | 4556 | 81 |
| short term effects of caffeine on the heart | 0.65 | 0.6 | 22 | 60 |
| long-term effects of caffeine on the heart | 0.58 | 0.9 | 9937 | 15 |
