Share 'Native foods as pharmaceuticals, programs to promote'

Last night I talked with a Mexican couple at a discussion group I started about growing food. We talked about prickly pear cactus and other native foods. I remembered reading Gary Nabhan's book 'why some like it hot' about the effect of PPC on lowering blood sugar uptake. It got me thinking... (too risky!!) Does anyone know of any research, local programs, personal information about the use of ...