Set the age of the person, you can use saliva

June 24, 2011

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Genetics the University of California was discovered a method to identify age human. To identify needs a bit Saliva , Reports The Times of India. This method is extremely useful for forensics. Through this process, it will be possible to ascertain the age of the perpetrator, according to experts.

Doctor Eric Vilhena   School of Medicine, David Geffen, is a professor of genetics, urology and pediatrics at the University of California says that this method finds reliable age Markers human. This requires only a little saliva and no other information.

The method relies on the process of methylation . This chemical process to change one of the components of DNA. During the aging of our body's genes are partly responsible and partly environment, which is in process of aging can alter our DNA .

As aging change characteristic methylation differences that are associated with age-related diseases. Sven Boklandt   is one of the authors of the study, points out that because of the close connection methylation with age, it is possible to establish the age of a person for only two of the three billion base pairs that make up the human genome.