Scientists are also conducting preclinical and clinical trials with marijuana and its extracts to treat symptoms of illness and other conditions, such as: 1  diseases that affect the immune system, including: HIV/AIDS. 2  inflammation. 3  pain. seizures.  substance use 1  disorders. mental disorders.
French and Creole. Two languages were spoken in Haiti: Creole and French. The social relationship between these languages was complex. Nine of every ten Haitians spoke only Creole, which was the everyday language for the entire population. About one in ten also spoke French.
The two main languages of Haiti are Haitian Creole and French. All Haitians speak Haitian Creole, while only about 20 percent of the population speaks French. It was only in 1987 that the Constitution granted official status to Haitian Creole.