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Wine drinking and essential tremor: a possible protective role.

Alessandra Nicoletti1, Giovanni Mostile, Roberto Cappellani

  • 1Dipartimento di Neuroscienze, Università di Catania, Catania, Italy.

Movement Disorders : Official Journal of the Movement Disorder Society
|April 21, 2011
PubMed
Summary

This study found that moderate to heavy wine consumption may reduce the risk of developing essential tremor. No association was observed between essential tremor and cigarette smoking or coffee drinking.

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Area of Science:

  • Neurology
  • Epidemiology
  • Nutritional Neuroscience

Background:

  • Essential tremor is a common neurological disorder with an unknown etiology.
  • Lifestyle factors such as diet and substance use are being investigated for their potential role in essential tremor development.

Purpose of the Study:

  • To investigate the association between cigarette smoking, coffee drinking, and wine consumption and the risk of essential tremor.
  • To evaluate potential dose-dependent effects of these lifestyle factors on essential tremor risk.

Main Methods:

  • A matched case-control study design was employed, enrolling 83 essential tremor cases and 245 controls from movement disorder centers in Italy.
  • Data on demographic, epidemiological, and clinical factors were collected using standardized questionnaires and neurological examinations.
  • Conditional logistic regression was used to estimate adjusted odds ratios and confidence intervals for the association between lifestyle factors and essential tremor.

Main Results:

  • A significant negative association was found between wine consumption and essential tremor (adjusted odds ratio, 0.23; 95% CI, 0.08-0.64).
  • A dose-dependent effect was observed, with higher wine intake correlating with a lower risk of essential tremor.
  • No significant association was found between essential tremor and cigarette smoking or coffee drinking.

Conclusions:

  • Wine consumption, particularly moderate to heavy intake, appears to be associated with a reduced risk of essential tremor.
  • The potential neuroprotective effects of antioxidants in wine may explain this observed association.
  • Further research is warranted to confirm these findings and elucidate the underlying mechanisms.