The blood of western fence lizards has the ability to neutralize Lyme disease in ticks—so why aren’t scientists bottling it to sell at the grocery store?

Will cutting fewer forests, where tick hosts and their predators live, help curb Lyme disease? Scientists debate.

A mild winter and abundant mice have led to a bumper crop of ticks this year, and with them tick-transmitted diseases including Lyme disease.

People and birds carry their specific parasites around the world.