Heart and brain

 Question :

If the brain thinks instead of the heart, then why does a heart attack occur after hearing bad news or due to tension and trauma?

the answer:

The function of the heart is to supply blood, and in addition, the heart also secretes certain hormones, which affect the heart's function and blood flow.

But scientifically, the function of the heart is not to think, although in common parlance, idiomatically, the heart is used in thinking sentences, but the real center of thought is the mind. 

An article is also often copied and pasted that the heart has 40,000 neurons, so the heart has its own brain, which is called the "heart brain". 

But actually these neurons are not for thinking but their job is to control the movement of the heart. 

These neurons also come from the brain to the heart. 

Just having neurons is not enough to think. 

In addition, there are many organs where there are more neurons than the heart, but even there the function of these neurons is to make communication between these organs and the brain and not to think.

The second part of the question is why heart attack occurs in bad news or tension and shock?

That is because when the brain receives such emergency news, the brain makes some changes in the body including the heart through nerve impulses and various hormones, and if the heart is not healthy, it

A heart attack can occur, but even in this situation the mind has influenced the heart, no thought has arisen in the heart.

How does heart attack happen due to tension?

A heart attack caused by tension or trauma is not that simple.

Every living cell of ours, including our heart, needs oxygen and nutrients, and blood is supplied to the parts of the body to supply these things. 

The tissues and cells of the heart also need a blood supply, and the coronary arteries are there to supply the heart with blood. 

When there is an obstruction in these coronary arteries, the blood supply to the heart tissues decreases, due to which their need for oxygen and nutrients is not met and the heart tissues start to weaken, resulting in heart failure. 

A decrease occurs and a heart attack (myocardial infarction) occurs.

The question is why the coronary arteries are obstructed?There can be various reasons for this, but mainly there are two reasons. 

One reason may be that something gets stuck/accumulated in the coronary artery like cholesterol etc. 

The second reason may be that something is not stuck, but the coronary artery itself has contracted (has become smaller). 

causes unnecessary vasoconstriction, i.e. narrowing of the veins, these chemicals include chemicals that come into the body from smoking cigarettes and drinking large amounts of alcohol. 

So till now we have seen why heart attack happens.

Now talking about anxiety and stress, temporary stress alone does not cause heart attack. 

That is, a healthy man doesn't just suffer from a heart attack because of stress, but the man already has problems that lead to a heart attack, such as high cholesterol, some other disease. 

that there is diabetes etc., and there is also a heart attack in the family history.

Then due to high stress or trauma, some hormones are released and signals from the brain also get activated (sympathetic nervous system). 

Release hormones like cortisol and adrenaline So it is not only temporary stress that causes heart attack, but there are already factors that lead to heart attack, stress just accentuates them.