Researchers this full week report that this pungency, manifested as a characteristic mixture of burning and prickling sensations and flavor, can be ascribed mainly to the consequences of a particular compound and its ability to activate specific proteins thermoreceptors in the mouth area. Related StoriesStudy reveals system behind protein-related diseasesPresident and CEO of Protein Sciences elected as 2015 Fellow of the International Society for VaccinesProtein sensor for proprioception foundThe results are reported in the May 24 problem of Current Biology by a team led by Ardem Patapoutian of The Scripps Research Institute and the Genomics Institute of the Novartis Study Foundation.Her research group also has linked it with developmental delays at age group 3 and with children’s asthma. The experts studied pollutants that may cross the placenta and are known scientifically as polycyclic aromatic hydrocarbons. Main sources include vehicle factory and exhaust emissions. Tobacco smoke cigarettes is another source, but mothers in the analysis were nonsmokers. A total of 140 study kids, 56 %, had been in the high publicity group. Which means their mothers likely lived near heavily congested streets, bus depots and various other typical resources of city air pollution; the experts are examining data to verify that still, Perera said.