Four rat tapeworms harvested from a single laboratory rat are shown in a six-well plate. The worms don’t harm the rats. Each worm, between two and three feet long, can produce more than 1,000 eggs per day. William Parker

They might sound gross, but intestinal worms can actually be good for you

The thought of intestinal worms sneaking around our bodies is pretty unpleasant, but some types of worms are beneficial and could help treat inflammatory diseases.

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