- Four chemicals provide protection from biting bugs: Picaridin, IR3535, PMD, DEET
- Despite negative reputation, DEET was found to be most effective and least toxic
- Insect-borne illnesses are on the rise in the United States, experts say
- Covering up with clothing and draining standing water will also help prevent bites
(CNN)Welcome to bug season, when mosquitoes, ticks and other creepy crawlers make even the bravest mom or dad hesitant to let the kids go outside. Not only are insects annoying, they can carry diseases such as West Nile virus and Lyme disease.