There’s a bouncer in everyone: The blood-brain barrier, a layer of cells between blood vessels and the rest of the brain, kicks out toxins, pathogens and other undesirables that can sabotage the brain’s precious gray matter.
Comorbid atopic diseases affect prognosis of alopecia areata
Asthma, atopic dermatitis or Hashimoto’s thyroiditis as concomitant diseases are risk factors for clinical features associated with a poor prognosis in circular hair loss, also