If you have small children be careful when they are playing in the garden and please wash your veggies and fruits thoroughly before eating as accidental ingestion of slugs can lead to a serious infection called rat lungworm. It is best to soak green leafy vegetables in salt water for about 10 mins as salt will kill the slugs or snails. Please view the video for how the infection can happen.
http://www.youtube.com/watch?v=FrRIu0qY444&sns=em