That’s why I said this:
Or, they could just buy info from a data broker and obtain a massive amount of information about someone.
They don’t need warrants for location data if it’s bought from a company that sells that data.
Whether or not it’s admissible in court is another question, though.
THC won’t show up on a panel.
Be honest with your doctors. Worst case scenario you get a little patient education about stuff you already know like “Smoking is bad, regardless of what your smoking.” Best case scenario, mostly for opiate or meth users, they know what medications would be contraindicated.