how does smoking worsen copd

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how does smoking worsen copd	0.68	0.2	4520	11	28
how	1.42	0.2	6908	57	3
does	0.97	0.9	5633	22	4
smoking	1.79	1	6564	14	7
worsen	1.52	0.7	1979	84	6
copd	1.79	0.5	8586	3	4

Keyword	CPC	PCC	Volume	Score
how does smoking worsen copd	0.13	0.1	463	25
how does smoking lead to copd	1.08	0.7	9184	76
how does smoking affect the lungs copd	0.93	0.1	4677	50
can smoking cause copd	0.25	0.8	7933	12
which are consequences of smoking with copd	1.37	0.2	830	25
impact of smoking on copd	0.42	0.5	7544	14
effects of smoking on copd	1.2	0.4	9732	98
dangers of smoking with copd	0.7	0.6	9151	95
severe copd and still smoking	0.03	0.8	7387	52
smoking with copd risks	0.56	0.2	343	2
copd and still smoking	1.51	0.8	5502	84
copd and cigarette smoking	0.23	0.9	7254	26
copd and continued smoking	0.29	0.3	7878	44
copd due to smoking	0.3	0.5	2590	87
copd not caused by smoking	0.21	0.9	6286	83