Raw cashews are indeed poisonous to humans ... actual raw cashews that have just been harvested and are still in their shell, or have been removed from their shell but not treated in any way ...

But if you've never seen how cashew grows ... we commonly eat grows within a thin shell that contains urushiol— the same irritant found in poison ivy and poison oak. They must be carefully ...

and like poison ivy, cashew plants contain a toxin called urushiol. It's found in the plant itself and the brown oil inside a nut's shell. It can cause burns, itches, and blisters, which is why ...