best medicinal strains??

i'm wanting to grow some medicinal stuff after this grow, does anybody know what are the best/usual medicinal strains??

well,, i been suffering with a venouse ulcer on my ankle/foot for nrly a yr now,, the pain was that bad they had me on morphine as the hole was growing and the 3 joining into 1 so bad infact i cant even remeber jan and feb-2012
i got sum smoke of a pal was EXO uk clone only strain and i must say the pain just dissapeared, gone the relief was owseom

i understand it cant go on that list with it ebing a UK clone only but damn!!! it worked and the pain was gone