IT has been shown1 that during a prolonged stay at altitudes above 15,000 ft. there is an increase in the salivary excretion of sodium and a decrease in that of potassium. In one subject this ...

Exercise can temporarily increase blood pressure or lower it slightly. Learn more about when to talk to your doctor, blood pressure readings, and safety tips.

Abstract—We previously reported that thyroid hormone stimulates renin synthesis in vivo and in vitro. Here, we analyzed the 5′-flanking sequence of the human renin gene for promoter activity ...

The renin-angiotensin-aldosterone system (RAAS) is usually activated in patients with liver cirrhosis and this represents a homeostatic response to counterbalance the vasodilatation, arterial ...