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    Did you mean Vasoconstriction?
    GlossaryVasoconstriction

    narrowing of blood vessels due to muscle contraction

    Vasoconstriction is the narrowing of blood vessels due to the contraction of the muscular wall of the vessels, particularly the large arteries and small arterioles. This process reduces blood flow to certain areas of the body, which can help conserve heat or redirect blood to essential organs. For professionals, it's important to note that vasoconstriction is regulated by the autonomic nervous system and can be influenced by various factors, including temperature, stress, and certain medications.

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      community Why can't you drink caffeine after PRP?

      in Treatment  9 upvotes 2 years ago
      The conversation discusses avoiding caffeine after Platelet-Rich Plasma (PRP) treatment for hair loss because caffeine is a vasoconstrictor, which can reduce blood flow and hinder the healing process that PRP aims to promote.

      community Finally Scalp Folliculitis-Free after 2 Decades of Suffering

      in Treatment  59 upvotes 2 weeks ago
      A 37-year-old male resolved scalp folliculitis by adopting a low-histamine diet and taking Vitamin A, Zinc, and Fish Oil, leading to better skin health and thicker hair. He warns about the potential toxicity of excessive Vitamin A intake.

      community Is it Ritalin? (23 F)

      in Question  8 upvotes 4 years ago
      A user suspects Ritalin is causing hair loss due to vasoconstriction and is considering trying Ginkgo Biloba after already taking a multivitamin and hair supplement. Another user mentions experiencing hair shedding with Vyvanse and Dexedrine.