Why Cannabis Science is entering the pharmaceutical cannabis industry. Recent advances in science have opened the door to develop, produce, and commercialize, a variety of effective whole plant cannabinoid based pharmaceutical products with a wide variety of important applications. Although cannabis has been used medicinally for thousands of years, until very recently little was known about how it actually worked. Some uses of cannabis are well known, such as alleviating nausea and stimulating the appetite for people with AIDS and cancer.