Okay, so catecholamines are chemicals that are found in our bodies and they help us feel things like happy, excited, and scared. Scientists have been studying catecholamines for a long time to learn more about how they work and how they help us feel different emotions.
In the early 1900s, scientists discovered that there are different types of catecholamines, including epinephrine (also called adrenaline) and norepinephrine (also called noradrenaline). They found out that these chemicals are made in our bodies by something called the adrenal glands, which are tiny organs near our kidneys.
Over the years, scientists have continued to study catecholamines and have even found out that they play a big role in things like our heart rate, blood pressure, and metabolism. They've also discovered that problems with catecholamines can lead to diseases like hypertension (high blood pressure), Parkinson's disease, and even some mental illnesses.
So now, scientists are still studying catecholamines to try to learn more about how they work and how we can use them to treat different health problems.