Heaves, COPD, and apoptosis

Heaves, COPD, and apoptosis

Heaves. Broken wind. Recurrent airway obstruction (RAO). All names for an respiratory condition in horses characterized by airway hyper-reactivity and bronchospasm. It’s typically seen in older horses who are chronically exposed to dust – including dusty hay. If it sounds familiar, it should – it’s very similar to asthma in humans.  In humans, the mechanism of normal programmed […]

Self-healing lungs may become a reality

Self-healing lungs may become a reality

Breathing depends on lung tissue surface area. When blood circulating through the lungs reaches the alveoli, this is where the blood discharges its waste product – CO2 – and picks up oxygen. When lung cells are damaged, the useable surface area is decreased, which means that less CO2 is scrubbed out of the blood and […]