I'd been vegan at that point for over 20 years. One of the benefits I had counted on for myself and my family from our choice to be vegan, was the fact that by not eating meat or dairy, we were not being exposed to the prions that cause Mad Cow Disease.
But that was before I signed up for a gardening class taught by local organic farmers. Imagine my surprise when I heard them describe how they sprayed dried animal blood, bone-meal and fish emulsion right onto the leaves of their organicly grown greens. This they said, was a superb way to quickly, "feed" the plants nutrients which they would absorb directly through their leaves.
I felt sick.
It had never occurred to me that by supporting local organic farmers and buying their garden