Why are my toes numb?

  1. Prolonged exposure to a reduction in temperature has triggered a sympathetic adrenergic vasoconstriction response in the cutaneous vasculature of my big toe. The consequent cascade of neurotransmitters, including noradrenaline and neuropeptide Y have resulted in the hypoxic state of the surrounding tissue. The external area is white and cold to the touch….still 30 minutes after…
  2. I went for a surf and it’s freezing.