A multidisciplinary team has uncovered a key mechanism that allows the human bacterium Mycoplasma pneumoniae—responsible for ...

Cold weather, low humidity, and pollution place continuous stress on the respiratory system during the winter months.

The metabolic activity of any tissue is limited by its blood supply; the more active any organ, the more blood it needs and the more extensive its vascularization. The changes in metabolic activity ...

Pulmonary arterial hypertension (PAH) is a medical condition in which narrowed and stiffened arteries cause high blood pressure in the lungs. It’s one type of pulmonary hypertension, which is a ...

The circulatory system is essential for the transfer of nutrients and oxygen to all cells of the body. The system consists of the heart and the blood vessels whose branches run throughout the body.