Epigenetics: Resolutionary New Spin on Nature vs. Nurture
05 January 2012
The human genome is comprised of 20-25,000 genes, but by far the majority are turned off in differentiated cells through various epigenetic means. Significant progress has been made in recent years in understanding two particular epigenetic mechanisms and how they relate to human diseases. In humans, evidence is accruing that diet – in this case the availability of food – early in development influences whether a person develops schizophrenia. Parts of China experienced a severe famine affecting tens of millions of people from 1959 to 1961. An epidemiological study has shown that babies born during this period were at more than double the risk for eventually developing schizophrenia.


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