| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hygiene hypothesis and asthma | 1.79 | 0.3 | 7669 | 51 | 29 |
| hygiene | 1.97 | 0.4 | 8276 | 100 | 7 |
| hypothesis | 0.11 | 0.3 | 9940 | 53 | 10 |
| and | 0.11 | 1 | 7471 | 91 | 3 |
| asthma | 0.25 | 0.4 | 8886 | 81 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hygiene hypothesis and asthma | 1.35 | 0.9 | 24 | 95 |
| asthma hygiene hypothesis | 1.38 | 0.8 | 1685 | 36 |
| causes and prevention of asthma | 1.65 | 1 | 1781 | 55 |
| air quality connection to asthma | 1.34 | 0.3 | 2822 | 2 |
| etiology of asthma pdf | 0.12 | 0.1 | 4292 | 100 |
| the history of asthma and genetics | 0.4 | 0.7 | 8839 | 98 |
| asthma and high humidity | 1.54 | 0.5 | 7043 | 84 |
| air quality and asthma | 0.31 | 0.9 | 2312 | 41 |
| research articles on asthma pdf | 1.14 | 0.1 | 5774 | 93 |
| genetic link to asthma | 0.98 | 0.8 | 8974 | 6 |
| nhs causes of asthma | 1.6 | 0.6 | 4987 | 37 |
| genetic predisposition to asthma | 0.54 | 0.9 | 9709 | 45 |
| health teaching about asthma | 0.16 | 0.4 | 9123 | 98 |
