Genes can be reset during early life in profoundly different ways depending on whether children grow up in privileged or deprived households, a landmark study has shown.
The penalty might be activation of genes that make poorer people more prone to heart disease, diabetes, cancer and other diseases. That could help explain why poorer people often have shorter lives. Epigenetic changes have also recently been linked to conditions that can involve psychosis, including schizophrenia and bipolar disorder.
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