painkillers

Hi everyone, so I am a total newbie to the idea of growing this plant, and I have never smoked it-ever!!! but my Dad has just been diagnosed with terminal melanoma and this may be his only hope. I never realised that there were different strains of cannibas, so.. which one should I be looking...

I love it. I endure some chronic pains and I have my good days and I have my bad days. I don't like using lab made drugs like oxycodone, vicodin etc. they do the job and get rid of the pain but the feelings it leaves me with is bothersome and annoying during and especially after the effects...