Health and Medical News and Resources

General interest items edited by Janice Flahiff

Smoking changes our genes

Smoking changes our genes.

From the 17 December 2013 ScienceDaily article

The fact that smoking means a considerable health risk is nowadays commonly accepted. New research findings from Uppsala University and Uppsala Clinical Research Center show that smoking alters several genes that can be associated with health problems for smokers, such as increased risk for cancer and diabetes.

We inherit our genes from our parents at birth. Later in life the genetic material can be changed by epigenetic modifications, i.e. chemical alterations of the DNA the affect the activity of the genes. Such alterations are normally caused by aging but can also result from environmental factors and lifestyle.

In a study recently published in the journal Human Molecular Genetics the researchers have examined how the genes are changed in smokers and users of non-smoke tobacco. They could identify a large number of genes that were altered in smokers but found no such effect of non-smoke tobacco.

t has been previously known that smokers have an increased risk of developing diabetes and many types of cancer, and have a reduced immune defence and lower sperm quality. The results from the study also showed that genes that increase the risk for cancer and diabetes, or are important for the immune response or sperm quality, are affected by smoking.

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Read the entire article here

 

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January 6, 2014 - Posted by | Consumer Health, Medical and Health Research News | , , , , , , , ,

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