Monday, September 13, 2010

Chronic Drinking Linked to Circadian Disruptions

(HealthDay News) -- Chronic drinking can disrupt production of the genes that control the body's daily biological (circadian) rhythms, leading to problems such as sleep disruption and mood changes, new research reports.

The researchers compared blood samples from 22 male alcoholics and 12 healthy men and found that the circadian clock genes in the alcoholic patients had significantly lower levels of an RNA molecule (known as messenger ribonucleic acid) that helps to manufacture proteins.

This indicates that alcoholics have lower levels of circadian clock gene production (or what researchers call "expression"), according to the study published online and in the November print issue of the journal Alcoholism: Clinical & Experimental Research. Read more...

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