Various different drug screening methods can detect THC use, such as hair samples, blood samples, and urine samples. Chances are that your workplace will most likely elect to test urine samples. THC metabolites can stay in the body for varying amounts of time, with factors such as the potency of the weed, metabolism, and the amount of weed smoked contributing to overall duration.
The standard arnica story is, I was amazed by how fast I healed. Maybe so. I have experienced this myself on occasion, experimenting with the product. It may seem strange to many readers, but I actually doubt my own senses. There are many good reasons why, but this is the most important: how fast healing would have occurred without the treatment? How can we possibly know that cannabis seeds?