Drinking alcohol causes biological ageing. If you want to live long, quit now | fitness | Hindustan Times
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Drinking alcohol causes biological ageing. If you want to live long, quit now

Drinking alcohol puts you at risk of various age-related diseases and disorders such as cancer and dementia. A new study suggests that alcoholics have shortened telomere lengths.

fitness Updated: Jun 26, 2017 12:26 IST
Heavy drinking causes biological aging at a cellular level.
Heavy drinking causes biological aging at a cellular level.(Shutterstock)

Unwinding with a drink at the end of a long day might be a tempting thought, but it’s not doing any favours to your health. A recent research has revealed that the more alcohol you drink, the more your cells appear to age. In the study that will be shared at the 40th annual scientific meeting of the Research Society on Alcoholism (RSA) in Denver (June 24-28), researchers found that alcoholic patients had shortened telomere lengths, placing them at greater risk for age-related illnesses, such as cardiovascular disease, diabetes, cancer and dementia. Drinking also ages arteries, leading to cardiovascular diseases. Another study suggests that you should never mix alcohol with highly caffeinated energy drinks as it could increase the risk of falls and injury.

“Telomeres, the protein caps on the ends of human chromosomes, are markers of aging and overall health,” said Naruhisa Yamaki of the Kobe University Graduate School of Medicine. Yamaki explained that every time a cell replicates, a tiny bit of telomere is lost, so they get shorter with age. But some groups may have shorter telomeres for reasons other than ageing. “Our study showed that alcoholic patients have a shortened telomere length, which means that heavy drinking causes biological aging at a cellular level,” he said. “It is alcohol rather than acetaldehyde that is associated with a shortened telomere length.”

Yamaki and his co-authors recruited 255 study participants from alcoholism treatment services at Kurihama National Hospital in Yokosuka, Japan: 134 alcoholic patients and 121 age-matched controls or non-alcoholics, ranging in age from 41 to 85 years old. DNA samples, as well as drinking histories and habits, were collected from all participants. “We also found an association between telomere shortening and thiamine deficiency (TD),” said Yamaki.

“TD is known to cause neuron impairments such as Wernicke-Korsakoff Syndrome. Although how exactly TD can cause neural impairments is unclear, it is well known that oxidation stress cause telomere shortening and, thus, it is possible that oxidation stress may also cause neuron death.” Yamaki added that it’s important for the public to understand that heavy drinking causes telomere shortening because “awareness of this fact provides important information necessary for people to live healthier.” The study was presented at the RSA meeting.

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