Scientists believe they are closer to unlocking the secret of the itch. Long a medical mystery, a recent experiment involving mutant mice has pushed researchers closer to learning the truth about what causes the annoying need to scratch.<br /><br />The experiment found that mice carried an "itch signal" along a neuron system populated by the Nppb protein. The dedicated neuron system carried the message of "itchiness" up the spine to the brain.<br /><br />The neuron carrier system remained discrete from other neuron receptor systems that registered other topical sensations such as heat, cold and pain.<br /><br />FOR MORE TOMONEWS US, GO TO: http://www.youtube.com/subscription_center?add_user=TomoNewsUS <br />Facebook http://www.facebook.com/TomoNewsUS<br />Twitter @tomonewsus http://www.twitter.com/TomoNewsUS<br />Google+ http://gplus.to/TomoNewsUS<br /><br />FOR FUNNY TAIWANESE ANIMATIONS, GO TO: http://www.youtube.com/subscription_center?add_user=NMAWorldEdition <br /><br />FOR FUNNY TAIWANESE ANIMATIONS IN ENGLISH, GO TO: http://www.youtube.com/subscription_center?add_user=NMAtv <br /><br />FOR TOMONEWS IN JAPANESE, GO TO: http://www.youtube.com/subscription_center?add_user=TomoNewsJP <br /><br />FOR APPLE DAILY ENGLISH, GO TO: http://www.youtube.com/subscription_center?add_user=AppleDailyEnglish
