Heartbeat

[Jokerman]

During your entire lifetime, your heart will beat about 2.5 billion times. The strange thing is, exactly the same would be true if you were a mouse or an elephant. Although each lives a different amount of years, all land mammals live for roughly the same number of heartbeats.

A small mammal, like a mouse, has a rapid heartbeat of 500 beats per minute, but a short life. A large mammal, like an elephant, has a slow heartbeat of about 28 beats per minute, but a long life. We are roughly in the middle with about 70 beats per minute.

Does this mean that if you could lower your resting heart rate, you would live longer? Aerobic exercise can lower your resting heart rate. It makes the heart more efficient. Some elite marathon runners, have rates which dip below 30 beats per minute. If they maintained that rate all their lives, would they live about twice as long as the average non-exercising individual, all other things being equal?

 

[Duke]

No, because it's not just the heart that ages.

I know that you know this, so why ask? Or is this another funny fact? Why end with a question? I prefer your bits where you don't end with a question.

 

[Jokerman]

Why end with a question? I prefer your bits where you don't end with a question.

If I don't end with a question, the thread goes nowhere like the last one. Nothing to discuss. Of course I'm not asking the question for me, and maybe the answer is obvious to you, but don't overestimate the knowledge or understanding of your fellow board members. Don't forget, some believe in the Illuminatti. As to your answer, it's not as simple as that, so it looks like I needed to ask that question for you, if for no one else.

 

[Duke]

Well, I may have simplified my answer a bit, but it seems obvious, to me at least, that the amount of heartbeats in a certain time span isn't the single defining factor determining how long something can live, even though most mammals share the same heartbeat "pattern".

I'm by no means a physiological expert, and I go blank when the reasons for things like that are discussed, but I'd figure my basic idea is somewhat on point.

 

[_carmi]

I would have to agree with Duke. Cells will grow old and die. The brain's cells don't regenerate. Therefore you grow old and you will die regardless of the number of heartbeats.

 

[Preach]

My heartbeat is pretty high all the time.

Jokerman let me ask you, if you have a high heartbeat rate due to unhealthy living (lack of nutrition, improper nutrition and work-out), is light-headedness and constant nervousness a bi-effect of that? I carry this constant feeling like I'm looking over the edge of a mountain. That's the best way to describe it, like fear of heights. High pulse, high adrenaline. Only I have this all the time and there's nothing I'm particularly scared of.

 

[Jokerman]

if you have a high heartbeat rate due to unhealthy living (lack of nutrition, improper nutrition and work-out), is light-headedness and constant nervousness a bi-effect of that?

It absolutely can be. It's called prehypertension. Do you know what your resting heart rate is, and what your blood pressure is? People with a resting heart rate of 80 or higher have a 50 percent increased mortality rate than those with a lower rate. It can also be caused by a heart valve defect or hyperthyroidism. You should get a check-up and ask the doctor about it. Also, take a fish oil capsule every day (omega-3, 1000mg).

 

[Jokerman]

I would have to agree with Duke. Cells will grow old and die. The brain's cells don't regenerate. Therefore you grow old and you will die regardless of the number of heartbeats.

Yes, cells grow old and die, but...they get replaced by new ones (as you probably knew but just forgot). Cells divide, or regenerate, to replace cells that are worn out and die, like old dead skin cells. Millions of your cells are dying every minute and being replaced by new ones.

Different cells regenerate at different rates. For example, red blood cells divide at a rate of 2 million per second. Skin cells and the cells in the intestine live only about 2 weeks before being completely replaced. It used to be thought that brain cells can't regenrate, but guess what? Not true. Studies first done at Princeton and Cornell in 1999 and 2000, showed that adult humans can generate new neurons in their hippocampus. Later studies have confirmed this and more.

For example:

News in Science - Textbook rewrite: brain cells can regrow - 15/10/1999

New Brain Cells

Adult Brain Cells Rediscover Their Inner Child

 

[Duke]

Yes, cells grow old and die, but...they get replaced by new ones (as you probably knew but just forgot). Cells divide, or regenerate, to replace cells that are worn out and die, like old dead skin cells. Millions of your cells are dying every minute and being replaced by new ones.

Different cells regenerate at different rates. For example, red blood cells divide at a rate of 2 million per second. Skin cells and the cells in the intestine live only about 2 weeks before being completely replaced. It used to be thought that brain cells can't regenrate, but guess what? Not true. Studies first done at Princeton and Cornell in 1999 and 2000, showed that adult humans can generate new neurons in their hippocampus. Later studies have confirmed this and more.

For example:

News in Science - Textbook rewrite: brain cells can regrow - 15/10/1999

New Brain Cells

Adult Brain Cells Rediscover Their Inner Child

That's very interesting, but I don't see the correlation with the heartbeats here.

 

[Bobby Sands]

"Heartbeat, why do you miss when my baby kisses me
heartbeat, why does a love kiss stay in my memory"

sorry, that song just came into my head when i saw the thread title.

 

[Shadows]

My heart beat used to go VERY slow when i was in HS football. Now, it beats pretty fast. I still eat healthy and try avoid soda, but I no longer work out. The only working out I ever really did was sex after high school b/c of my busy full-time/student/worker.

Now that I ain't gettin any for a while (I assume), I've been working out b/c I always believed that we all have an average amount of beats to live.

I am not really interested in living forever to endure any pain life has to offer, but I wouldn't mind seeing my future grandchildren grow.

As for the brain cells, it's a myth that they don't grow b/c they wanted to create that knowledge to have kids avoid beer and drugs, but honestly, when they grow back they take forever to develop don't they?

Don't the dendrites and so forth still have the ability to keep growing and learning? They just need to re-call the information somehow correct?

 

[Jokerman]

That's very interesting, but I don't see the correlation with the heartbeats here.

And that's what I'm pointing out to carmi who thought "you will die regardless of the number of heartbeats" because your cells age. And you yourself said, it's not just the heart that ages. That sounds like what carmi was saying. So, no, that's not a reason.

(I'm keeping Duke hanging here :moody

 

[Preach]

It absolutely can be. It's called prehypertension. Do you know what your resting heart rate is, and what your blood pressure is? People with a resting heart rate of 80 or higher have a 50 percent increased mortality rate than those with a lower rate. It can also be caused by a heart valve defect or hyperthyroidism. You should get a check-up and ask the doctor about it. Also, take a fish oil capsule every day (omega-3, 1000mg).

I already take those capsules actually, but I don't do it every day. I'll get better at doing that.

Resting heart rate, I can just measure my pulse for 15 seconds and multiply by four and that's my resting heart rate? Then 80 or higher as I'm sitting here.

Should probably mention thought that I've used to get high for a good amount of years. I'm turning 23 at the end of this year. In the past six months I really haven't taken care of myself or my body at all. Some times I eat one meal a day, on a few rare occasions I haven't eaten for one day. And I notice that any injuries I suffer now take way longer to heal, probably as a consequence of this lack of nutrition. It's not like I eat a lotta unhealthy food, I don't eat at all. It's not cause I feel bloated or anything lol, I just don't want food a lot of the time. I'm really tense/stressed some times, it can affect me pretty heavily to the point where I've actually thrown up once. It fucks with my appetite because when I'm really tense I also feel sorta sick to my stomach, which makes eating a non-issue really. So cuts and bruises, sore muscles, anything like that takes longer to heal than it used to. I'm guessing that's probably not good for the heart either.

 

[Elmira]

The heart is more than a muscle

Science of the Heart, IHM Research Center


After extensive research, one of the early pioneers in neurocardiology, Dr. J. Andrew Armour, introduced the concept of a functional "heart brain" in 1991. His work revealed that the heart has a complex intrinsic nervous system that is sufficiently sophisticated to qualify as a "little brain" in its own right. The heart’s brain is an intricate network of several types of neurons, neurotransmitters, proteins and support cells like those found in the brain proper. Its elaborate circuitry enables it to act independently of the cranial brain – to learn, remember, and even feel and sense. The recent book Neurocardiology, edited by Dr. Armour and Dr. Jeffrey Ardell, provides a comprehensive overview of the function of the heart’s intrinsic nervous system and the role of central and peripheral autonomic neurons in the regulation of cardiac function. The nervous system pathways between the heart and brain are shown in Figure 2.

 

[insomnia]

since the spring i started taking cardio training seriously and do it regularly 3-5 times a week. Previously I've done cardio training, but with breaks. My heartbeat rate dropped and now it is about 50 beats per minute. My brother who's serious into running, his heartbeat is about 40-45 per minute. Last time he was checked by the medics, he was told that at first they thought he had some kind of anomaly in his heart, because it was so strong, but when doctors learned he runs a lot - then it's all good.

 

[hulapet]

Thanks so much 4 sharing with us,bros
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Streethop has the greatest forum of all time that is I post here. I don't want to spam this site with other links, which is why I posted a link to StreetHop.

 

[SiGh]

Jokerman, you ever read "Big Numbers" by Mary & Gribbin?

 

[THEV1LL4N]

indians have high BP