Tick season is in full swing, and by many counts there's more to worry about this year than in past years.

The list of diseases that these vermin can carry has grown in recent years; the range across which they can thrive has also expanded. And according to at least some experts, this season will be a particularly bad one. 

The threat has trapped homeowners between two worries: tick-borne diseases on the one hand and potentially dangerous pesticides on the other. Do you spray your yard and expose your family to potentially dangerous chemicals? Or take your chances with diseases like Lyme that can cause lifelong debilitation? 

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