Michael C. Witte From The Wall Street Journal:
If you're one of those people whom mosquitoes tend to favor, maybe it's because you aren't sufficiently stressed-out.
Insects have very keen powers of smell that direct them to their targets. But for researchers trying to figure out what attracts or repels the pests, sorting through the 300 to 400 distinct chemical odors that the human body produces has proved daunting.
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