Why Do Mosquitoes Bite Some People More Than Others? The Science Explained Research by Aero Nutist | May13,2025 Have you ever wondered why mosquitoes seem to target you at a barbecue while leaving your friends alone? It’s not just bad luck—there’s science behind it. Mosquitoes are picky biters, and factors like your body chemistry, clothing, and even what you drank last night can make you their favorite target. In this blog, we’ll dive into the biology of mosquito attraction and share practical tips to keep those pesky insects at bay. 1. Carbon Dioxide: Mosquitoes’ Favorite Trail Mosquitoes are drawn to carbon dioxide (CO2), which we exhale with every breath. People with higher metabolic rates—like larger individuals, pregnant women, or those exercising—produce more CO2, making them prime targets [Journee Mondiale] . If you’re breathing heavily after a jog, mosquitoes can detect you from up to 150 feet away [Smithsonian Ma...