I use a heavy indica to help reduce muscle spasms....ak47 is known to help....got my sights set on silver surfer haze in next grow as it's good for my ms problems as well as giving me the grins about most everything!Hey mate, here are some links that will help you !
http://grass.jpn.cx/strain/index.php?Medical Cannabis List
http://www.onlinepot.org/medical/strainsVSillness.htm
http://ripatients.org/tips/strainguide/