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Scientists has discovered how an important natural antibiotic called dermcidin,produced by our skin when we sweat,is a highly efficient tool to fight tuberculosis germs and other dangerous bugs. Their results could contribute to the development of new antibiotics that control multi-resistant bacteria. Scientists from the University of Edinburgh and from Goettingen,Tuebingen and Strasbourg have uncovered the atomic structure of the compound,explaining what makes dermcidin such an efficient weapon in the battle against dangerous bugs. Sweat spreads highly efficient antibiotics on to our skin,which protect us from dangerous bugs. If our skin becomes injured by a small cut,a scratch,or the sting of a mosquito,antibiotic agents secreted in sweat glands,such as dermcidin,rapidly and efficiently kill invaders.