The pine nut is a beloved ingredient in Mediterranean cuisine - think pesto hummus or stuffed eggplant. In Lebanon, its export is so valuable it's called white gold, but an invasive species of bug ...

LEILA FADEL, HOST: Pesto, hummus or eggplant stuffed with lamb - the pine nut is a beloved ingredient in Mediterranean cuisine. I love pine nuts, and it's been a source of big money in Lebanon.

This phenomenon, known as “pine nut syndrome,” has been linked to a species of pine nut grown in China (Pinus armandii). Symptoms appear several days after consuming pine nuts and disappear ...

José Natalino Ribeiro, an araucaria pine nut harvester, sorts araucaria pine cones and wood for domestic use on his family’s farm, in the town of Urubici, Santa Catarina. Image by Fellipe Abreu ...