Used it recreationally for many years, but I found after diagnosis that the paranoia side-effect made my muscle tension worse. I often have an opposite reaction to many drugs than the majority of people do, though.

A friend of mine with advanced MS in Tacoma, WA swore by it for spasticity and neuropathic pain. It's such an individual reaction.

Should you desire to spare your lungs, take butter, add mj, cook over low heat until quite green, strain (if desired), and add the specified quantity of fortified butter to the cookie, brownie or other recipe of your choice (pesto pasta?). Takes about an hour to kick in, but then it kicks like a mule.