What it really means when one of your fingers turns white when it’s cold

What are the causes of Raynaud’s syndrome?

Raynaud’s phenomenon can be triggered by:

  • The cold  , of course, but also  the stress , which worsens the symptoms.
  • Certain medications, such as  beta-blockers  or those used to treat migraines.
  • Repetitive manual tasks, such as prolonged use of vibrating tools.
  • Tobacco  and  excess caffeine , which worsen this circulatory problem.

Smokers and coffee lovers should therefore be particularly vigilant.

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