Sometimes a good thing is just too good to be true. DEET is fairly effective in repelling pesky insects. DEET is believed to work by blinding the insect's senses to certain chemicals produced by humans or animals that trigger the biting/feeding instinct.
A new study (referenced in this BBC article) is concerned about toxic effects of DEET, especially in combination with other chemicals.
I always wondered about applying a chemical to my skin that has a tendency to dissolve plastics. On the other hand is the prospect of serving as a piña colada to swarms of biting insects ...
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