Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing.

A combination of mRNA and a new lipid nanoparticle could help heal damaged lungs, according to new research from the Perelman ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, ...

Hypertension (high blood pressure) is a debilitating condition and a major cause of premature death worldwide. Chronic stress plays a significant role, but the underlying mechanism involving ...

Serotonin can promote both pulmonary vasoconstriction and pulmonary vascular remodeling and is thought to be involved in the pathobiology of PAH. A polymorphism in the serotonin transporter (SERT ...

Background Physicians treating acute pulmonary embolism (PE) are faced with difficult management decisions while specific guidance from recent guidelines may be absent. Methods Fourteen clinical ...

The 3 major pathways (endothelin-1, nitric oxide, and prostacyclin) involved in the regulation of pulmonary vasomotor tone are shown ... which promotes vasoconstriction and smooth muscle cell ...

It delves into the molecular mechanisms behind this process ... which is initiated by vasoconstrictors such as endothelin (44). The regulation of vasoconstriction is also influenced by circulating ...

From the Department for Diseases of the Chest, Jefferson Hospital, Philadelphia, and the White Haven Sanatorium, White Haven, Pennsylvania. Read before the Harvard Medical Society, Boston, Mass ...