Wood has a positive influence on our immune system, as it absorbs toxic substances from the atmosphere, reducing their concentration to one fifth in just a few hours. In a study made in a school, it was seen that the classroom wall cladding in wood considerably limited stress on the students, among others reducing their heart rate. At the same time it reduces the relational commitment the class requests from teachers.
La madera influye positivamente en el sistema inmunitario ya que absorbe las sustancias tóxicas de la atmósfera, reduciendo la concentración hasta un décimo en pocas horas.