Fundação de Amparo à Pesquisa do Estado de São Paulo Oct 17 2024 High blood pressure (hypertension) causes thickening of the blood vessels and hardening of the arteries (arteriosclerosis). A study conducted by Brazilian researchers has shown for the first time that a similar phenomenon occurs in the lungs. High blood pressure hardens the bronchi and increases airway resistance, impairing respiratory capacity. The study sample comprised 731 men and women over 60, both with and without high blood