Some passengers are unaware that some airplanes spray pesticides to prevent insect-borne diseases. Here's what to know.

Using bug spray is another important strategy, as is keeping your yard unfriendly to mosquitoes and ticks. Permethrin-treated clothing, first developed by the military a few decades ago ...

High concentrations of permethrin, when wet, can be toxic to cats, but once it dries, there’s no issue. A decent spray bottle: A good repellent is wasted in a bad bottle. The best ones apply ...