Catecholamines, like adrenaline and dopamine, are chemical messengers released in response to emotional or physical stress. Catecholamines prepare the body to take action. High or low levels can cause ...

Low doses of psychostimulants, including methylphenidate (MPH), are highly effective in the treatment of attention-deficit/hyperactivity disorder (ADHD). At these ...

We performed a multicenter study of preterm infants, who were about to undergo patent ductus arteriosus ligation, to determine whether echocardiographic indices of impaired myocardial performance were ...

Catecholamine urine testing (CATU) is used to diagnose certain diseases that increase catecholamine production. The test is often combined with a catecholamine blood test. Levels can fluctuate, so ...

Sign up for the best picks from our travel, fashion and lifestyle writers. While it’s true that cortisol is a key player in your body’s flight or flight response ...