re: Where have all the heart attacks gone?

Here is your likely answer:

Sleep
People are sleeping in...

Why does that matter



Most events happen in the AM (due to stress hormones rising to get you up...)

https://www.heart.org/en/news/2018/10/26/can-daylight-saving-time-hurt-the-heart-prepare-now-for-spring

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Can daylight saving time hurt the heart? Prepare now for spring
By American Heart Association News

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For people who have heart-related problems, they may want to apply that extra 60 minutes in their day toward making healthier lifestyle changes. That's because researchers say when daylight saving time returns, it brings with it a higher chance of having a stroke or heart attack.

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Pretty consistent phenonoma that occurs when the construct changes (mainly on the "loss" of spring forward)

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A combination of those risk factors and the disruption to the body's internal clock, or its circadian rhythm, may be enough to throw the entire body off balance, said Michael Grandner, director of the Sleep and Health Research Program at the University of Arizona in Tucson.

"If you look under the car hood, you see lots of belts and gears and pistons and all sorts of parts that have their own rhythms, but which are related to each other," he said. "The body has lots of similar rhythms, so anything from the rhythm of your blood pressure, to the rhythm of your body temperature, your hormones, how you metabolize blood sugar or consolidate memories. All of these systems are within the same body and many are at least indirectly related to each other."

When daylight saving time kicks in, the process artificially changes the external environment without adjusting the body's internal clock, essentially giving the body jet lag, Grandner said. The body then needs to reset and synchronize its internal systems.

"But when you get people who are ill or who already have some hormonal disruption or other biological problem that depends on a clock, that's where you get problems," he said. "It's why you have things like a heart attack. There's a rhythm to heart function, and when all of a sudden you jostle that rhythm for a heart already very sensitive or diseased or struggling to stay healthy, you disrupt its ability to regulate itself properly for a day or so."

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People are more grounded in their circadian rythym (outside more, sleeping in...)

I have argued elsewhere that the construct of modern living kills people...
This is a small window into how this works...

Many things happen during sleep, including lower of heart rate and optimization of heart rate variability (a proxy for stress...)

https://www.health.harvard.edu/blog/heart-rate-variability-new-way-track-well-2017112212789

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Heart rate variability: A new way to track well-being
POSTED NOVEMBER 22, 2017, 10:00 AM , UPDATED OCTOBER 22, 2019, 3:53 PM
Marcelo Campos, MDMarcelo Campos, MD
Contributor

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What is HRV?

HRV is simply a measure of the variation in time between each heartbeat. This variation is controlled by a primitive part of the nervous system called the autonomic nervous system (ANS). It works regardless of our desire and regulates, among other things, our heart rate, blood pressure, breathing, and digestion. The ANS is subdivided into two large components, the sympathetic and the parasympathetic nervous system, also known as the fight-or-flight mechanism and the relaxation response.

The brain is constantly processing information in a region called the hypothalamus. The hypothalamus, through the ANS, sends signals to the rest of the body either to stimulate or to relax different functions. It responds not only to a poor night of sleep, or that sour interaction with your boss, but also to the exciting news that you got engaged, or to that delicious healthy meal you had for lunch. Our body handles all kinds of stimuli and life goes on. However, if we have persistent instigators such as stress, poor sleep, unhealthy diet, dysfunctional relationships, isolation or solitude, and lack of exercise, this balance may be disrupted, and your fight-or-flight response can shift into overdrive.

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Why check heart rate variability?

HRV is an interesting and noninvasive way to identify these ANS imbalances. If a person’s system is in more of a fight-or-flight mode, the variation between subsequent heartbeats is low. If one is in a more relaxed state, the variation between beats is high. In other words, the healthier the ANS the faster you are able to switch gears, showing more resilience and flexibility. Over the past few decades, research has shown a relationship between low HRV and worsening depression or anxiety. A low HRV is even associated with an increased risk of death and cardiovascular disease.

People who have a high HRV may have greater cardiovascular fitness and be more resilient to stress. HRV may also provide personal feedback about your lifestyle and help motivate those who are considering taking steps toward a healthier life. It is fascinating to see how HRV changes as you incorporate more mindfulness, meditation, sleep, and especially physical activity into your life. For those who love data and numbers, this can be a nice way to track how your nervous system is reacting not only to the environment, but also to your emotions, thoughts, and feelings.

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The system tries to reset itself with good quality and quantity sleep...
Sadly, most have other priorities or do not care (self fulfilling prophecy of "sleep when I am dead")

Hormesis. There is a healthy biologic response to certain types of stress. It takes a pandemic to get people to see the reality of life (stressful) and hunker down to make better health and lifestyle choices.

Coronavirus took them

I disagree with your first part.

I completely agree with your second part.

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I just had one 2 days ago. 2blockages and 2stints. Back home today

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You were SUPPOSED to catch COVID-19 whilst there and, well, you know what.

Stop being so selfish.

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Some 38 year old male in Seattle tested positive for Corona a few weeks back and tragically died in an automobile accident several days later. The family said the hospital listed his cause of death due to Corona. They had to fight them to fix it.

Absolutely no doubt the numbers are being inflated.

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did a friend of a friend tell you this?

yeah

the COD is listed as COVID-19.