What is the differance really between "Crack" and "Crystal Meth"?

also, how are the ingrediants, methods for making, intensities and length of high differant and are these ingrediants both legally found? do they actually contain "cocaine"?? either one? if not , why is one referred to as "Crack cocaine"? and how long has each been popular and... show more also, how are the ingrediants, methods for making, intensities and length of high differant and are these ingrediants both legally found?





do they actually contain "cocaine"?? either one?

if not , why is one referred to as "Crack cocaine"?

and how long has each been popular and which is more popular now and why?

how about in the UK, for anyone who knows, how popular are these drugs there?

when did this become a problem?


btw, are these drugs often times smoked with marijuana
Update: also, what kind of high is given when smoked with marijuana??

why is this done?
Update 2: to the first answerer, what is pseudophedrine?

what is its common name?
Update 3: also, how and where do people get the ingrediants for these drugs to be made?
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