Lyme Disease
Studies have shown that Lyme disease is lower in areas where the lizards occur. When ticks carrying Lyme disease feed on these lizards' blood (which they commonly do, especially around their ears), a protein in their blood kills the bacterium that causes Lyme disease. The ticks' blood is therefore cleansed and no longer carries Lyme disease.
Read more about this topic: Western Fence Lizard
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