Cannabis

Analgesic, anti-inflammatory, nausea control, emotional balancing, anxiolytic, carminative.
May be illegal in some areas.
Frequent (daily or multiple times daily) of large amounts of THC vaporization is not recommended and may have the opposite effects of the medicinal uses; it may lead to anxiety, emotional imbalance, forgetfulness, and cognitive impairment, symptoms that can persist for several weeks or months, even after stopping use.