The aim of toxic chemicals include those found in processed or contaminated food.

The aim of toxic chemicals include those found in processed or contaminated food, air pollution, tobacco smoke and alcohol: polycyclic aromatic hydrocarbons, heterocyclic amines, nitrosamines, acrylamide, mycotoxins, dioxins, polychlorinated biphenyls and ethanol. A professor of biochemistry , said John Findlay: ‘What we are are looking for things as ‘biomarkers show ‘where chemical exposures occurred: changes to DNA and proteins, which are signs of damage, and damage may be more at risk mean disease. ‘.

The women have taken blood and urine samples and complete questionnaires on their diet, lifestyle and habits, and the environment in which they live. After birth, a blood sample from the placenta will also determine the chemicals from the mother to the child was crossing to be taken.‘This technology could used by pharmaceutical manufacturers the future in order to provide specific enzyme product. ‘.

The results of the study identified the 22nd February 2006, online edition the journal Nature reports. The theory of the the divergent molecular evolution on started to original enzymes and other proteins when ‘promiscuous ‘so that primitive organisms is better capable of adapt to their surroundings. Propelled by selective pressure developing the promiscuity enzymes and other proteins along diverging lines to the special functions needed by a host organism of survival acquire..

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