‘Happiness can affect your genes’

Agencies Jul 31, 2013, 07.01AM IST

WASHINGTON: Happiness can affect your genes in a healthy or unhealthy way depending on what causes you to feel pleasure , a first-of-its-kind study has found.

US researchers found that human bodies recognize at the molecular level that not all happiness is created equal and respond in ways that can help or hinder physical health. They found that different types of happiness have surprisingly different effects on the human genome. People who have high levels of what is known as eudaimonic well-being â€" the kind of happiness that comes from having a deep sense of purpose and meaning in life â€" showed very favourable gene-expression profiles in their immune cells.

They had low levels of inflammatory gene expression and strong expression of antiviral and antibody genes.

However, people who had relatively high levels of hedonic well-being â€" the type of happiness that comes from consummatory self-gratification â€" actually showed just the opposite . They had an adverse expression profile involving high inflammation and low antiviral and antibody gene expression .

Steven Cole, a University of California, Los Angeles professor of medicine, and his colleagues , including first author Barbara L Fredrickson at the University of North Carolina, have been examining how the human genome responds to stress, misery, fear and all kinds of negative psychology.

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