[quote=@Meta]
<Snipped quote by Codify>

How long do you think it'll take to learn all the medical stuff I need to know for detective work?
[/quote]

To be able to solve [i]any[/i] potential puzzle? Like I said, it'd take several lifetimes. To get to the point you can use your natural talents in conjunction with? Probably... 
*I count on my fingers*
A couple of decades?