Plusieurs études scientifiques, dont celles de la Harvard School of Public Health, du New England Journal of Medicine et de l'institut de la santé aux États-Unis, ont démonté que l'usage de la marijuana avait des bienfaits thérapeutiques et médicaux pour certains malades.
Several scientific studies, including ones undertaken by the Harvard School of Public Health, the New England Journal Of Medicine and the US National Institute of Health, have shown that in the case of some illnesses, the use of marijuana does have some health and medicinal benefits.