| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| does caffeine affect blood vessels or veins | 0.54 | 0.2 | 6700 | 75 |
| how does caffeine affect blood vessels | 0.93 | 0.7 | 5949 | 39 |
| does caffeine constrict blood vessels | 1.21 | 0.1 | 2865 | 41 |
| what does caffeine do to blood vessels | 1.96 | 0.5 | 7270 | 59 |
| caffeine effect on blood vessels | 0.37 | 0.3 | 433 | 61 |
| does caffeine open or constrict blood vessels | 1.45 | 0.6 | 8600 | 65 |
| does caffeine narrow blood vessels | 1.47 | 0.3 | 6763 | 28 |
| does caffeine open blood vessels | 0.75 | 1 | 2410 | 29 |
| does caffeine dilate blood vessels | 1.02 | 1 | 2402 | 64 |
| does caffeine expand blood vessels | 0.11 | 0.3 | 9622 | 17 |
| does caffeine restrict blood vessels | 0.71 | 0.2 | 30 | 79 |
| does caffeine affect blood flow | 0.65 | 0.1 | 9228 | 93 |
| what does coffee do to your veins | 1.19 | 0.9 | 9196 | 25 |
| caffeine blood vessel constriction | 1.14 | 1 | 8313 | 95 |
| caffeine effects on vascular system | 1.32 | 0.3 | 7112 | 76 |
