Cdt half life.. confused

Convicted Driver Insurance

Nervous123

Member
Hi
I have been reading up on CDT and it seems the half life has been reported as anywhere between 14 and 25 days.
I don’t understand where the recommended 12 weeks abstinence comes into this?
Say a starting CDT was 8% (I don’t even know how/if it would get this high), taking the max half life of 25days the levels would be under DVLA limits within 50days?? Am I missing something?
 
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