What's the best spray to keep mosquitoes off of me?
Submitted by - Kenneth, Casper, WY
In a 2002 New England Journal of Medicine report on exhaustive testing of insect repellents, DEET was found to be the strongest repellent, and 28.5% percent DEET was enough. After that, the 'skeeters stayed off the same, no matter how high the concentration. (Read the full study here.