Cannabis is medicine.
Everything about it has medicinal benefits.
The problem is educating people.
Changing people's relationships to drugs from one of mindless consumption and escapism, to regimented ritualistic and specific use.
The best use of cannabis is probably 90% less than what most people use. Therapeutic doses for THC heavy cannabis could be something as little as 50mg per hit. Take that in a pipe in the morning, do your thing throughout the day, come home and blast another 50mg. As for specific ritualistic use, maybe a little higher, 50-200mg perhaps in single session doses, but only within the context of a well thought out framework and thoroughly planned set and setting. Meditating for example, prayer, communal dancing or singing, deep self reflection and introspective sessions, expression of art in it's myriad ways (writing, painting, dance, drama etc). After all this, there's no hitting the bong again. Hitting the bong again wouldn't fit the framework. That would be excessive and detrimental to the therapeutic benefits.
As for paranoia. The way I see it is paranoia from cannabis is not indicative of a disorder or sickness. It's potentially insightful information being subconsciously registered as threatening stimulus and then repressed, much like taking a psychedelic dose of LSD. I think this is as much physiological as it is psychical. You are not paranoid, you are being guided down the route of paranoia because you immediately make that distinction (based on your own conditioning), which then creates the self fulfilling prophecy and your mind and body simply follow suit. Along comes the physiological responses (shaking, sweating, lightheadedness etc) which feed off your psychical responses, and vise versa.
What exists behind the paranoia could be something difficult to process. When you're smoking weed, it could be something as insignificant as sounds coming from downstairs that sound like someone is kicking the door down. If you're not quick to remain present to your own experience, you'll immediately assume you are in danger. This then creates the reality that something is wrong and your paranoia is justified. The insight gleaned from the experience could be realizing that you maybe assume danger exists outside and you feel vulnerable while high believing something could happen to you. It's a common theme when taking psychedelics too - people feeling vulnerable and then mistaking this as dangerous, which then turns to paranoia (existential threat to the organism).
While there is danger in the world and you are vulnerable and you might not be able to defend yourself properly, particularly if really high, the chances of someone kicking down your door for absolutely no reason and targeting you specifically, is really low. Fundamentally, peoples intentions are positive. Our society exists because fundamentally we all want to best for our ourselves and others. We strive to live in harmony and balance things out.
The only thing you can do is find peace with the risks of life and living around others. Perhaps letting go is the best option. Being able to accept that fundamentally, everything is how it's meant to be, nothing is out of place, there is nothing to fear and what holds everything together is people understanding that unity, acceptance and connection are the core conditions for living together. Without we cannot live in peace. And nobody wants that, not even the most unstable among us. The most unstable among us have an inherent inner destructiveness that comes from an inability to accept this within themselves. What they want is to overcome it but they can't, and so they behave in extreme ways.
If 'bad' experiences can be turned into insight, you're learning all the time and most of your issues have answers, should you wish to explore what exists within the content of your mind.
The answers are already there anyway.
