I have used cannabis in the US for years legally and it works wonders for pain, tension, anxiety. If you want pain relief/body, nerve calming properties, you want to get an indica strain.

There is 100s of compounds in cannabis. We as a nation have just started to wake up and realise. It is for healing..

I am a legal user of cannabis also in Ca. I have gotten off of almost all medications because of the help of cannabis
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There are two main types of cannabis available, indica and sativa strains. Sativa will give you more of a mental effect and indica more of a body effect. There are many hybrids that blend the two and are highly effective, but for pain you want indica or an indica-dominant strain. If you're not into smoking I highly recommend edibles. Just remember they can be very potent and to only ingest a small amount and wait. It takes a while to kick in, like an hour or more.

Just noticed that you're from Vancouver. You should be able to easily source it there. My daughter buys it in Victoria, but it's not as strong as what I purchase online.