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Author: Robert (page 1 of 26)

Can Exercise Reverse Ageing

Stephen Harridge & Norman Lazarus writing for the BBC:

The greater health of older exercisers compared to their sedentary counterparts can lead people to believe physical activity can reverse or slow down the ageing process.

But the reality is that these active older people are exactly as they should be.

In our distant past we were hunter-gatherers, and our bodies are designed to be physically active.

So, if an active 80-year-old has a similar physiology to an inactive 50-year-old, it is the younger person who appears older than they should be, not the other way around.

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Middle-Aged Men in the USA are Dying in Record Numbers

Stephen Rodrick writing for Rolling Stone:

The Centers for Disease Control recorded 47,173 suicides in 2017, and there were an estimated 1.4 million total attempts. Many of society’s plagues strike heavier at women and minorities, but suicide in America is dominated by white men, who account for 70 percent of all cases. Middle-aged men walk the point. Men in the United States average 22 suicides per 100,000 people, with those ages 45 to 64 representing the fastest-growing group, up from 20.8 per 100,000 in 1999 to 30.1 in 2017. The states with the highest rates are Montana, with 28.9 per 100,000 people; Alaska, at 27 per 100,000; and Wyoming, at 26.9 per 100,000 — all roughly double the national rate. New Mexico, Idaho and Utah round out the top six states. All but Alaska fall in the Mountain time zone.

Last summer, I began a 2,000-mile drive through the American West, a place of endless mythology and one unalterable fact: The region has become a self-immolation center for middle-aged American men. The image of the Western man and his bootstraps ethos is still there, but the cliché has a dark turn — when they can no longer help themselves, they end themselves. I found men who sought help and were placed on a 72-hour hold in a hospital ward, and say they were sent home at the end of their stay without any help, collapsing back into the fetal position — the only thing accomplished was everyone in the small town now knew they were ill. I found men on both sides of the Trump divide: One whose anger toward his abusive parents was exacerbated by hours in his basement watching Fox News and Trump while drinking vodka; the other was a Buddhist mortician whose cries for help were met by scorn in a cowboy county that went 70 percent for Trump.

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Eating Fruits and Vegetables Can Improve Your Mood and Mental Well-Being

You already know you should eat fruits and vegetables for the nutrients they provide the body. But a new British study has again shown that the health benefits of produce don’t end there. Researchers at the University of Leeds have shown that eating fruits and vegetables can also improve your mood and mental well-being.

Researchers found that people whose diets included more fruits and vegetables reported being happier. Those who ate even just one extra portion of produce a day reported better life satisfaction than those who ate less. Researchers estimated that the extra portion could have the same effect on your mood as walking an additional 10 continuous minutes or more eight days a month.

Previous research conducted in Australia and New Zealand, and published in the British Journal of Health Psychology, showed a diet rich in fruits and vegetables makes people feel happier.

The latest study, entitled Lettuce Be Happy was published in Social Science and Medicine. It is based on a larger group of people who were followed for a longer period of time.

The USA Allow Food Additives that Canada, Europe, China, and others Claim are Toxic

Chemical Structure of Potassium Bromate

Chemical Structure of Potassium Bromate

Potassium bromate, for example, is also illegal in Canada, China, the European Union, Brazil, India, the United Kingdom, and elsewhere because it causes cancer. In the United States it has been legal to add to food since it was first patented for use in baking bread in 1914.

Troy Farah writing for The Guardian:

But despite petitions from several advocacy groups – some dating back decades – the US Food and Drug Administration (FDA) still considers these to be Gras or “generally recognized as safe” to eat, though plenty of experts disagree.

“The system for ensuring that ingredients added to food are safe is broken,” said Lisa Lefferts, senior scientist at the consumer advocacy group Center for Science in the Public Interest. Lefferts, who specializes in food additives, said that once a substance is in the food supply, the FDA rarely takes further action, even when there is evidence that it isn’t safe.

The Center for Science in the Public Interest petitioned the FDA to ban potassium bromate two decades ago due to cancer concerns, but the FDA’s response, according to a letter from the agency, was that it couldn’t examine the issue due to “limited availability of resources and other agency priorities.”

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A Sense of Purpose Could Prolong Your Life

Ephrat Livni writing for Quartz:

Researchers from the University of Michigan School of Public Health analyzed data from nearly 7,000 individuals over 50 years old and concluded that “stronger purpose in life was associated with decreased mortality.” They believe that “purposeful living may have health benefits.”

The new research relied on data from individuals who enrolled in the American Health and Retirement Study (HRS)—longterm research that looks at a cross-section of subjects over time. The original research measured participants’ psychological well-being in 2006, their physical health and, subsequently, causes of death by 2010. The new analysis found that those whose psychological questionnaires reflected a lack of purpose were more likely to die than those who had “a self-organizing life aim that stimulates goals.”

In fact, people without a purpose were more than twice as likely to die than those with an aim and goals. Purpose proved to be more indicative of longevity than gender, race, or education levels, and more important for decreasing risk of death than drinking, smoking, or exercising regularly.

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The Evidence Is Strong » Air Pollution Can Cause Dementia

Aaron Reuben, writing in Mother Jones:

Of all the new research, three studies in particular paint a stark picture of the extent to which the quality of our air can determine whether we will age with our minds intact. In one from 2018, researchers followed 130,000 older adults living in London for several years. Those exposed to higher levels of air pollutants, particularly nitrogen dioxide and fine particulate matter released by fossil fuel combustion, were significantly more likely to develop Alzheimer’s disease—the most common kind of dementia—than their otherwise demographically matched peers. In total, Londoners exposed to the highest levels of air pollution were about one and a half times more likely to develop Alzheimer’s across the study period than their neighbors exposed to the lowest levels—a replication of previous findings from Taiwan, where air pollution levels are much higher.

Another, a 2017 study published in the Lancet, followed all adults living in Ontario (roughly 6 and a half million people) for over a decade and found that those who lived closer to major high-traffic roads were significantly more likely to develop Alzheimer’s disease across the study period regardless of their health at baseline or socioeconomic status. Both of these studies estimated that around 6 to 7 percent of all dementia cases in their samples could be attributed to air pollution exposures.

Those studies from Canada and the UK are certainly intriguing. But the most compelling, and least reported on, study comes from the United States. It was also, incidentally, inspired by our previous reporting.

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Poor Diet is the World’s Biggest Killer

A new report from the Thomson Reuters Foundation states that our poor eating habits, from malnutrition to obesity, leads to millions of early deaths and could cost the global economy $30 trillion by 2030.

Poor diet has already overtaken smoking as the world’s biggest killer. One in five deaths worldwide in 2017 was linked to unhealthy diets in both poor and rich countries as burgers and soda replaced traditional diets.

Thin Lei Win writing for the Thomson Reuters Foundation:

Technology has made farming easier but government policy and climate change have slashed the foods produced by villagers which they fear is killing them when combined with the explosion in fast-food. “Now we don’t know where the oils we eat come from because we buy what’s quick and cheap and easy,” said Myint Soe, 59.

He said many people are suffering from cancer, hardening of the arteries and other ailments, likely caused by eating low-quality oil, sugary drinks, salty snacks and instant noodles.

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A Beautifully Simple Way to Deal With Loneliness

The disease of loneliness is spreading. And it’s getting worse as we get more attached to technologies that isolate us from others, and away from ‘the real world.’

But the Danish have come up with a simple and elegant way to cope with loneliness. The program is call Ventilen, or “friend to one” in Danish.

First some background from Jenny Anderson’s piece in Quartz :

A recent Kaiser Family Foundation study showed that 22% of Americans, 23% of Brits and 9% of Japanese adults said they felt lonely all the time. When the BBC asked 55,000 people about their experiences with loneliness,33% of respondents said they were “often” or “very often” lonely. Among those aged 16-24, the figure was a shocking 40%.

Vivek Murthy, the former US surgeon general, has declared loneliness an “epidemic,” noting that it was dangerous both in its own right and because of its links to deep societal problems such as addiction and violence: “It’s prevalent, it’s common, and the studies Julianne [Holt-Lunstad] and others have done have shown a robust association with illnesses that we actually care about, including heart disease, dementia, depression and anxiety, and very importantly, longevity.”

Indeed, Holt-Lunstad’s research shows that being disconnected poses comparable danger to smoking 15 cigarettes a day, and is more predictive of early death than the effects of air pollution or physical inactivity.

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Time to Unplug Our Kids: WHO Recommends Zero Screen Time for Children Under One

Craig Timberg and Rachel Siegel writing in the Washington Post:

The World Health Organization issued strict new guidelines Wednesday on one of the most anxiety-producing issues of 21st Century family life: How much should parents resort to videos and online games to entertain, educate or simply distract their young children?

The answer, according to WHO, is never for children in their first year of life and rarely in their second. Those aged 2 to 4, the international health agency said, should spend no more than an hour a day in front of a screen.

The WHO drew on emerging — but as yet unsettled — science about the risks screens pose to the development of young minds at a time when surveys show children are spending increasing amounts of time watching smartphones and other mobile devices. Ninety-five percent of families with children under the age of 8 have smartphones, according to the nonprofit Common Sense Media, and 42 percent of children under 8 have access to their own tablet device.

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Flavonoids may be the key to the health benefits of drinking black and green tea

From the Harvard Heart Letter:

“Tea is a good source of compounds known as catechins and epicatechins, which are thought to be responsible for tea’s beneficial health effects,” says Dr. Howard Sesso, associate professor of medicine at Harvard Medical School and associate epidemiologist at Brigham and Women’s Hospital. These compounds belong to a group of plant chemicals called flavonoids. Research suggests that flavonoids help quell inflammation, and that in turn may reduce plaque buildup inside arteries. Green tea has slightly higher amounts of these chemicals than black tea. Both black and green teas also contain modest amounts of caffeine, ranging from about 20 to 45 milligrams per 8-ounce cup. That’s roughly half the amount of caffeine in the same amount of coffee.

Short-term studies have shown that drinking tea may improve vascular reactivity—a measure of how well your blood vessels respond to physical or emotional stress. There’s also evidence that drinking either black or green tea may lower harmful LDL cholesterol levels. Blood pressure may also dip slightly in people who drink tea, but results from these studies have been mixed.

Several large, population-based studies show that people who regularly drink black or green tea may be less likely to have heart attacks and strokes. However, people who drink tea tend to be different from people who don’t drink tea. “We can’t quite disentangle whether it’s their tea drinking or something else those people are doing that lowers their risk of cardiovascular disease,” explains Dr. Sesso. “Some experts believe that tea may have cardiovascular benefits, but it’s not considered a slam-dunk proposition.”

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