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This Sleep Pattern Increases Heart Disease Risk 54% 

People who ignore this risk factor increase their odds of developing heart disease or stroke.

Less than seven, or more than eight hours of sleep can cause arterial stiffness leading to heart disease or stroke.

If you like to stay up late and have a drink or check your emails or watch TV and sleep until mid-morning, remember the quantity of sleep is important for your heart health.

The incidence of arterial stiffness is much lower in people who sleep seven or eight hours a night compared to those who sleep for shorter or longer hours, a study has found.

Consequently, people who sleep more than eight hours or less than seven hours are at higher risk of heart disease or stroke.

A research team measured 1,752 adults’ sleep patterns in Greece and based on duration of sleep they were divided into four groups.

The first was ‘normal’ group meaning their sleep was seven or eight hours per night, the second was the ‘short’ group meaning they slept six to seven hours nightly, the third one ‘very short’ meaning they had less than six hours sleep, and the last group ‘long’ as they had more than eight hours sleep nightly.

The results showed that participants who had more than eight hours a night were at a 39 percent higher risk of plaque build up inside the arteries and for those who slept less than six hours the odds increased to 54 percent.

This shows that duration of sleep is as important as exercise and diet for cardiovascular health.

sleep

Dr Evangelos Oikonomou, the study’s lead author, said:

“The message, based on our findings, is ‘sleep well, but not too well.’

Getting too little sleep appears bad for your health but too much seems to be harmful as well.

Unlike other heart disease risk factors such as age or genetics, sleep habits can be adjusted, and even after taking into consideration the impact of established risk factors for atherosclerosis and cardiovascular diseases — for example age, gender, obesity, smoking, hypertension, diabetes, high blood pressure and even a history of coronary artery disease — both short and long sleeping duration may act as additional risk factors.”

Plaque build-up causes the arterial walls to thicken and narrow so the blood flow in the brain and the body will decrease leading to cardiovascular disease or stroke.

Dr Oikonomou, said:

“We don’t fully understand the relationship between sleep and cardiovascular health.

It could be that sympathetic nervous system withdrawal or a slowing [of this system] that occurs during sleep may act as a recovery phase for [usual] vascular and cardiac strain.

Moreover, short sleep duration may be associated with increased cardiovascular risk factors — for example, unhealthy diet, stress, being overweight or greater alcohol consumption — whereas longer sleep duration may be associated with a less active lifestyle pattern and lower physical activity.”

How much sleep we need is related to different factors such as age.

The guidelines for adults are mostly seven to nine hours sleep a night, however, one in three American adults gets less than six hours sleep.

Studies have shown that people who sleep poorly are at greater risk of high blood pressure, heart disease, diabetes, obesity, mental health problem, and early death.

Experts say a regular six to eight hours a night is spot-on.

Dr Oikonomou, said:

“It seems that this amount of sleep may act as an additive cardioprotective factor among people living in modern western societies, and there can be other health benefits to getting sufficient and quality sleep.”

The study was presented at the American College of Cardiology’s Annual Scientific Session Together with World Congress of Cardiology, March 2020.

Mina Dean September 1, 2022

source: PsyBlog


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New Artificial Intelligence Tool Detects Often Overlooked Heart Diseases

Physician-scientists in the Smidt Heart Institute at Cedars-Sinai have created an artificial intelligence (AI) tool that can effectively identify and distinguish between two life-threatening heart conditions that are often easy to miss: hypertrophic cardiomyopathy and cardiac amyloidosis. The new findings were published in JAMA Cardiology.

“These two heart conditions are challenging for even expert cardiologists to accurately identify, and so patients often go on for years to decades before receiving a correct diagnosis,” said David Ouyang, MD, a cardiologist in the Smidt Heart Institute and senior author of the study. “Our AI algorithm can pinpoint disease patterns that can’t be seen by the naked eye, and then use these patterns to predict the right diagnosis.”

The two-step, novel algorithm was used on over 34,000 cardiac ultrasound videos from Cedars-Sinai and Stanford Healthcare’s echocardiography laboratories. When applied to these clinical images, the algorithm identified specific features – related to the thickness of heart walls and the size of heart chambers – to efficiently flag certain patients as suspicious for having the potentially unrecognized cardiac diseases.

“The algorithm identified high-risk patients with more accuracy than the well-trained eye of a clinical expert,” said Ouyang. “This is because the algorithm picks up subtle cues on ultrasound videos that distinguish between heart conditions that can often look very similar to more benign conditions, as well as to each other, on initial review.”

Without comprehensive testing, cardiologists find it challenging to distinguish between similar appearing diseases and changes in heart shape and size that can sometimes be thought of as a part of normal aging. This algorithm accurately distinguishes not only abnormal from normal, but also between which underlying potentially life-threatening cardiac conditions may be present – with warning signals that are now detectable well before the disease clinically progresses to the point where it can impact health outcomes. Getting an earlier diagnosis enables patients to begin effective treatments sooner, prevent adverse clinical events, and improve their quality of life.

Cardiac amyloidosis, often called “stiff heart syndrome,” is a disorder caused by deposits of an abnormal protein (amyloid) in the heart tissue. As amyloid builds up, it takes the place of healthy heart muscle, making it difficult for the heart to work properly. Cardiac amyloidosis often goes undetected because patients might not have any symptoms, or they might experience symptoms only sporadically.

The disease tends to affect older, Black men or patients with cancer or diseases that cause inflammation. Many patients belong to underserved communities, making the study results an important tool in improving healthcare equity, Ouyang said.

ai heart

 

Hypertrophic cardiomyopathy is a disease that causes the heart muscle to thicken and stiffen. As a result, it’s less able to relax and fill with blood, resulting in damage to heart valves, fluid buildup in the lungs, and abnormal heart rhythms.

Although separate and distinct conditions, cardiac amyloidosis and hypertrophic cardiomyopathy often look very similar to each other on an echocardiogram, the most commonly used cardiac imaging diagnostic.

Importantly, in the very early stages of disease, each of these cardiac conditions can also mimic the appearance of a non-diseased heart that has progressively changed in size and shape with aging.

“One of the most important aspects of this AI technology is not only the ability to distinguish abnormal from normal, but also to distinguish between these abnormal conditions, because the treatment and management of each cardiac disease is very different,” said Ouyang.

The hope, Ouyang said, is that this technology can be used to identify patients from very early on in their disease course. That’s because clinicians know that earlier is always better for getting the most benefit from therapies that are available today and that can be very effective for preventing the worst possible outcomes, such as heart failure, hospitalizations, and sudden death.

Researchers plan to soon launch clinical trials for patients flagged by the AI algorithm for suspected cardiac amyloidosis. Patients enrolled in the trial will be seen by experts in the cardiac amyloidosis program at the Smidt Heart Institute, one of only a handful of programs on the West Coast dedicated to the disease.

A clinical trial for patients flagged by the algorithm for suspected hypertrophic cardiomyopathy just started at Cedars-Sinai.

“The use of artificial intelligence in cardiology has evolved rapidly and dramatically in a relatively short period of time,” said Susan Cheng, MD, MPH, director of the Institute for Research on Healthy Aging in the Department of Cardiology at the Smidt Heart Institute and co-senior author of the study. “These remarkable strides – which span research and clinical care – can make a tremendous impact in the lives of our patients.

Source:   Cedars-Sinai Medical Center     February 23, 2022

Story Source:   Materials provided by Cedars-Sinai Medical Center. Note: Content may be edited for style and length.

Journal Reference:   Grant Duffy, Paul P. Cheng, Neal Yuan, Bryan He, Alan C. Kwan, Matthew J. Shun-Shin, Kevin M. Alexander, Joseph Ebinger, Matthew P. Lungren, Florian Rader, David H. Liang, Ingela Schnittger, Euan A. Ashley, James Y. Zou, Jignesh Patel, Ronald Witteles, Susan Cheng, David Ouyang. High-Throughput Precision Phenotyping of Left Ventricular Hypertrophy With Cardiovascular Deep Learning. JAMA Cardiology, 2022; DOI: 10.1001/jamacardio.2021.6059

www.sciencedaily.com


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2 Supplements That Prevent Heart Disease And Cancer

The most recent trial confirms that two nutrients can reduce deaths from heart attacks and cancer.

Omega-3 fatty acids from fish oil can significantly reduce heart attacks and vitamin D supplementation can significantly lower the number of deaths caused by different types of cancer.

Researchers studied 26,000 American adults in the VITAL clinical trial for five years to see if fish oil or vitamin D would definitely ward off cardiovascular disease or cancer.

The outcomes were reassuring: marine omega-3 fatty acid intake was linked to a significant drop in heart attacks.

One-and-half servings per week of dietary fish intake showed the maximum heart health benefits, but higher dietary fish intake didn’t help more.

The greatest decrease in heart attacks was seen in African-Americans.

The benefit of 1 gram of omega-3 fish oil supplementation showed a small decrease in major cardiovascular events like stroke and death from cardiovascular disease.

Vitamin D3 or cholecalciferol intake at a dose of 2000 IU per day showed a significant decrease of death from cancer for those who took it for at least two years.

However, supplementation with vitamin D3 capsules didn’t significantly lower incidence of any type of cancer or cardiovascular disease.

Dr. JoAnn Manson, the study’s first author, said:

“The pattern of findings suggests a complex balance of benefits and risks for each intervention and points to the need for additional research to determine which individuals may be most likely to derive a net benefit from these supplements.”

Dr. Stephanie Faubion, NAMS medical director, said:

“With heart disease and cancer representing the most significant health threats to women, it is imperative that we continue to study the viability of options that prevent these diseases and help women survive them.”

The 1 gram omega-3 fish oil supplementation used in the VITAL clinical trial was Omacor, a prescription medicine for adults.

The capsule contains 840 milligrams marine omega-3 fatty acids, of which 465 mg is eicosapentaenoic acid (EPA) and 375 mg is docosahexaenoic acid (DHA).

About the author
Mina Dean is a Nutritionist and Food Scientist. She holds a BSc in Human Nutrition and an MSc in Food Science.

The study was presented at the North American Menopause Society (NAMS) Annual Meeting in Chicago (Manson et al., 2019).

source: PsyBlog
suppliments

2 Supplements That Double Weight Loss

Many overweight people are deficient in this essential nutrients.

A vitamin D supplement combined with calcium supplementation can help weight loss, research suggests.

People in the study who took vitamin D and calcium supplements lost more belly fat and experienced greater loss of fat mass.

One study has shown that people drinking more milk, which contains vitamin D and calcium, can double weight loss.

Up to half the world’s population may be deficient in vitamin D.

A deficiency in vitamin D could help to increase people’s appetite, research suggests.

Foods that are rich in vitamin D include oily fish and eggs, but most people get their vitamin D from the action of sunlight on the skin.

Around half of people who are obese have a calcium deficiency.

The body cannot produce calcium, so relies on it from food intake.

Foods high in calcium include dairy products, seeds, nuts and dark, leafy greens like spinach and kale.

The study included 53 overweight or obese people.

They were split into two groups with one put on an energy-restricted diet, that included 500 calories per day less than required.

The rest were put on the same diet, but also given calcium and vitamin D supplements.

The calcium supplement was 600 mg, while the vitamin D3 supplement was 125 IU.

The results showed that people taking calcium and vitamin D together lost 6 pounds of fat, while those in the comparison group only lost 4 pounds of fat.

The study’s authors write:

“Calcium plus vitamin D3 supplementation for 12 weeks augmented body fat and visceral fat loss in very-low calcium consumers during energy restriction.”

Although the exact mechanism for how calcium and vitamin D aid weight loss is not known, the authors speculate:

“The greater decrease in fat mass observed in the calcium+D group of the current study could result from several factors attributing to calcium metabolism.

First, a calcium-rich diet is shown to increase fat oxidation, promote fat cell apoptosis, and reduce lipid absorption due to the formation of insoluble calcium-fatty acid soaps in the intestine, which are eventually excreted in the feces.

Second, high dietary calcium intake is associated with suppression of 1,25-dihydroxyvitamin D (1,25-(OH)2D) levels which in turn act to decrease calcium influx into the cell.”

About the author
Psychologist, Jeremy Dean, PhD is the founder and author of PsyBlog. He holds a doctorate in psychology from University College London and two other advanced degrees in psychology.

He has been writing about scientific research on PsyBlog since 2004. He is also the author of the book “Making Habits, Breaking Habits” (Da Capo, 2003).

The study was published in the Nutrition Journal (Zhu et al., 2019).

source: Psyblog


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Why Being Thankful Is So Good For Your Health

As a physician, I have helped to care for many patients and families whose lives have been turned upside down by serious illnesses and injuries.

In the throes of such catastrophes, it can be difficult to find cause for anything but lament.

Yet Thanksgiving presents us with an opportunity to develop one of the healthiest, most life-affirming and convivial of all habits — that of counting and rejoicing in our blessings.

Gratitude’s benefits

Research shows that grateful people tend to be healthy and happy. They exhibit lower levels of stress and depression, cope better with adversity and sleep better. They tend to be happier and more satisfied with life. Even their partners tend to be more content with their relationships.

Perhaps when we are more focused on the good things we enjoy in life, we have more to live for and tend to take better care of ourselves and each other.

When researchers asked people to reflect on the past week and write about things that either irritated them or about which they felt grateful, those tasked with recalling good things are more optimistic, feel better about their lives, and actually visit their physicians less.

It is no surprise that receiving thanks makes people happier, but so does expressing gratitude. An experiment that asked participants to write and deliver thank-you notes found large increases in reported levels of happiness, a benefit that lasted for an entire month.

Philosophical roots

One of the greatest minds in Western history, the Greek philosopher Aristotle, argued that we become what we habitually do. By changing our habits, we can become more thankful human beings.

If we spend our days ruminating on all that has gone poorly and how dark the prospects for the future appear, we can think ourselves into misery and resentment.

But we can also mold ourselves into the kind of people who seek out, recognize and celebrate all that we have to be grateful for.

This is not to say that anyone should become a Pollyanna, ceaselessly reciting the mantra from Voltaire’s “Candide”: “All is for the best in this, the best of all possible worlds.” There are injustices to be righted and wounds to be healed, and ignoring them would represent a lapse of moral responsibility.

But reasons to make the world a better place should never blind us to the many good things it already affords. How can we be compassionate and generous if we are fixated on deficiency? This explains why the great Roman statesman Cicero called gratitude not only the greatest of virtues but the “parent” of them all.

Religious roots

Gratitude is deeply embedded in many religious traditions. In Judaism, the first words of the morning prayer could be translated, “I thank you.” Another saying addresses the question, “Who is rich?” with this answer: “Those who rejoice in what they have.”

From a Christian perspective, too, gratitude and thanksgiving are vital. Before Jesus shares his last meal with his disciples, he gives thanks. So vital a part of Christian life is gratitude that author and critic G.K. Chesterton calls it “the highest form of thought.”

Gratitude also plays an essential role in Islam. The 55th chapter of the Quran enumerates all the things human beings have to be grateful for — the sun, moon, clouds, rain, air, grass, animals, plants, rivers and oceans — and then asks, “How can a sensible person be anything but thankful to God?”

Other traditions also stress the importance of thankfulness. Hindu festivals celebrate blessings and offer thanks for them. In Buddhism, gratitude develops patience and serves as an antidote to greed, the corrosive sense that we never have enough.

Roots even in suffering

In his 1994 book, “A Whole New Life,” Duke University English professor Reynolds Price describes how his battle with a spinal cord tumor that left him partially paralyzed also taught him a great deal about what it means to really live.

After surgery, Price describes “a kind of stunned beatitude.” With time, though diminished in many ways by his tumor and its treatment, he learns to pay closer attention to the world around him and those who populate it.Reflecting on the change in his writing, Price notes that his books differ in many ways from those he penned as a younger man. Even his handwriting, he says, “looks very little like that of the man he was at the time of his diagnosis.”

“Cranky as it is, it’s taller, more legible, and with more air and stride. And it comes down the arm of a grateful man.”

A brush with death can open our eyes. Some of us emerge with a deepened appreciation for the preciousness of each day, a clearer sense of our real priorities and a renewed commitment to celebrating life. In short, we can become more grateful, and more alive, than ever.

 

Practicing gratitude

When it comes to practicing gratitude, one trap to avoid is locating happiness in things that make us feel better off — or simply better — than others. In my view, such thinking can foster envy and jealousy.

There are marvelous respects in which we are equally blessed — the same sun shines down upon each of us, we all begin each day with the same 24 hours, and each of us enjoys the free use of one of the most complex and powerful resources in the universe, the human brain.

Much in our culture seems aimed to cultivate an attitude of deficiency — for example, most ads aim to make us think that to find happiness we must buy something. Yet most of the best things in life — the beauty of nature, conversation and love — are free.

There are many ways to cultivate a disposition of thankfulness. One is to make a habit of giving thanks regularly — at the beginning of the day, at meals and the like, and at day’s end.

Likewise, holidays, weeks, seasons and years can be punctuated with thanks — grateful prayer or meditation, writing thank-you notes, keeping a gratitude journal, and consciously seeking out the blessings in situations as they arise.

Gratitude can become a way of life, and by developing the simple habit of counting our blessings, we can enhance the degree to which we are truly blessed.

Richard Gunderman, The Conversation
 
Richard Gunderman is the Chancellor’s Professor of medicine, liberal arts and philanthropy at Indiana University.

 

Thu November 28, 2019

source: www.cnn.com  The Conversation

Gratitude

 

‘Performance-enhancing substance’:
How Thanksgiving gratitude may improve your health

Show your gratitude this Thanksgiving. It’s good for your health.
Expressing gratitude improves cardiovascular strength, sleep quality and more, researchers say.

“Gratitude enhances performance in every domain that’s been examined, psychological relational, emotional, physical,” said Robert Emmons, a professor and psychologist at the University of California, Davis. “This is why it’s been referred to as the ultimate performance-enhancing substance.”

The field of gratitude health studies is still young, but researchers say that practicing gratitude may positively affect physical health in two main ways: It can change your biology and your behavior.

“A health behavior change is when someone that practices gratitude ends up engaging in more self-care behaviors, or following the directions of their care provider more closely,” said Emiliana Simon-Thomas, science director at the Greater Good Science Center, an interdisciplinary research center at UC Berkley. “Sometimes you’ll find that a study reports that a particular gratitude intervention leads to lower blood pressure — that’s the biology pathway.”

Gratitude “interventions” are a method that researchers use to determine how expressing gratitude may be directly causing positive health effects. A common approach is to ask participants to write down what they’re grateful for each day in a “gratitude journal” or to pen “gratitude letters.”
Several studies have concluded that keeping a gratitude journal improves physical health. A 2015 study of 119 women at the University College London found that just two weeks of keeping a gratitude journal can improve sleep quality and decrease blood pressure.
Researchers at UC San Diego came to a similar conclusion the following year. A 2016 study of nearly 70 men and women at risk of heart failure asked participants to keep a gratitude journal for eight weeks. Researchers found that, over time, the participants who kept gratitude journals had lower levels of inflammation, a biomarker of heart failure.

“Along the lines of physical exercise, a healthier diet, or higher-quality sleep, gratitude is worth the time,” Simon-Thomas said.

Practicing gratitude is also tied to lower stress levels, Simon-Thomas said, because people who regularly express gratitude have a greater capacity to regulate emotions in a constructive way. It can even “short-circuit” the body’s stress response.

“The holiday season can be very stressful,” Emmons said. “People are exhausted, worn down and worn out, feeling depleted and defeated. That is why gratitude is especially important this time of year. Grateful people less likely to experience envy, anger, resentment, regret and other unpleasant states that produce stress and thwart positive emotions.”

Jeff Huffman, a professor of psychiatry at Harvard Medical School and director of the Cardiac Psychiatry Research Program at Massachusetts General Hospital, says the field of gratitude studies still has a lot of ground to cover. In the past 15 years, there have been less than ten trials of gratitude-based interventions in patients with chronic health conditions, according to an article published this year in the British Journal of Health Psychology.

“At this point, we are not quite there in terms of conclusively saying that experiencing or expressing gratitude is linked to better physical health,” Huffman said. “More definitive study is needed.”

Huffman said his team of researchers is currently looking into how gratitude-based interventions may help heart attack victims recover faster and better. “We hope to have answers in the not-to-distant future,” he said.
Grace Hauck    USA TODAY    Nov. 28 / 19


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Loneliness Even Unhealthier Than Obesity

Loneliness Even Unhealthier Than Obesity, Should Be A Public Health Priority: Psychologist

Loneliness should be a major public health concern, according to an American psychologist.

Loneliness is a major health risk, like obesity or smoking, and public health programs should address it in the same way, says a psychologist.

New research by Julianne Holt-Lunstad, a professor of psychology and neuroscience at Brigham Young University, found that social isolation contributes as strongly to mortality as does smoking 15 cigarettes a day.

“This is something that we should all be taking seriously for our health,” she said.

Holt-Lunstad’s research, presented at a conference of the American Psychological Association, analyzed studies on mortality risk to find out how feelings of social isolation and loneliness compared to other risk factors. She found that it has a greater effect than obesity or exercise.

Having few social connections is associated with various health effects, she said, such as cardiovascular problems, immune response, cognitive decline, and cellular aging, she said. But having other people around helps in other ways too: people are more likely to take their medication, to exercise, and to visit the doctor with encouragement from others.

“Our relationships help provide a sense of meaning and purpose in life. And that can translate to better self-care as well as less risk-taking,” said Holt-Lunstad.

Isolation

It’s an important message at a time when more Canadians than ever are living alone – one of the risk factors examined by Holt-Lunstad in her research.

Census data shows that 28.2 per cent of Canadian adults lived alone in 2016 – the highest proportion since Confederation. And, for the first time, this was the most common household type in the country.

This is partly due to Canada’s aging population, according to Statistics Canada, though more than one-in-10 Canadians under 60 also lives alone.

But everyone can feel the effects of loneliness, said Holt-Lunstad.

“We tend to assume that this is an issue that may be specific to older adults or the elderly, and while of course, that population is important to consider, it’s not isolated to that group,” she said.
“When we look across the data, this affects both men and women. We don’t see any effect in terms of it being stronger in older age and in fact, we have some evidence to suggest that it may be stronger in those under 65.”

 

Until the age of 60, men are more likely than women to live by themselves. This reverses after 60, likely due to men’s lower average life span, meaning there are lots of widowed women. More than half of women over 85 are living alone, according to census data.

A recent survey of seniors by the Canadian Association of Retired Persons found that more than 16 per cent of respondents reported lacking companionship. Fourteen per cent said they have nobody to talk to.

And another survey by the Vancouver Foundation in 2012 found that 25 per cent of residents of that city said they were alone more often than they would like to be.

Public health programs

Holt-Lunstad would like to see information about the effects of loneliness be included in public health programs in the same way information about the dangers of smoking or obesity is.

“I’ve heard people say things like, ‘You can’t put good relationships in the water.’ Or, ‘We can’t legislate that like we may be able to do with a Clean Air Act,’” she said. While that’s true, she believes people should prioritize their relationships in the same way that many have started to do with regular exercise.

“If we approach it as we can all be working on nurturing and fostering our own relationships, this may have a much broader population-wide impact.”

She also believes that research about the health impacts of loneliness should be included in medical training so that doctors can screen their patients for social isolation and provide information when needed. Kids should also learn about relationships the same way that they learn about nutrition, as a way to prevent future problems.

Holt-Lunstad’s research will be published next month in the journal The American Psychologist.


By Leslie Young   National Online Journalist, Investigative       Global News