The influence of marijuana cannabinoids on immune function has been examined
extensively over the last 25 yr. Various experimental models have been used employing
drug-abusing human subjects, experimental animals exposed to marijuana smoke or
injected with cannabinoids, and in vitro models employing immune cell cultures treated with
various cannabinoids. For the most part, these studies suggest that cannabinoids modulate
the function of T and B lymphocytes as well as NK cells and macrophages. In addition to …