One friend refuses to eat greens that a slug has crawled (and pooped) on. But i just spray the leaves with a jet of water to knock all the detritus off.
Here's a Meditation on a Slug from The Meditative Gardener:
The next time you find a slug or other creepy-crawler in your garden, notice the feeling of repulsion. If you can, notice where in the body that feeling of “Get it out of here” or “I don’t want to look” is located.
Notice if the mind has already headed into ways to deal with the slug problem. Stop.
Look at the slug again. Maybe even touch it.
Can you find the feeling of “unpleasant” that comes before the desire to get rid of the slug or move away from it? Can you find the feeling that comes before the mind gets busy?
Photo courtesy of thegardenhelper.com