Health
Avian Flu Outbreak: Five New Cases Tied to Scorching Heat
United States: The oppressive heat recently posed a significant challenge for agricultural laborers as they sought to shield themselves from chickens recently afflicted by avian influenza in Colorado, leading to five individuals contracting the virus, as reported by the US Centers for Disease Control and Prevention.
State health authorities identified the infections last week, marking the most considerable concentration of human cases in the nation since the bird flu outbreak commenced over two years ago.
These human infections are a substantial concern for public health officials because they elevate the probability that the virus could mutate to facilitate person-to-person transmission, potentially triggering a human pandemic. Since April 2022, a total of 10 human infections have been documented, according to reports by Iowa Capital Dispatch.
However, the virus detected in the Colorado laborers does not exhibit such a mutation, explained Dr. Nirav Shah, principal deputy director for the CDC, during a Tuesday call with journalists. It is believed that each worker was infected by egg-laying hens as they endeavored to cull a flock of approximately 1.8 million in the state’s northeastern region.
It is a standard practice to exterminate entire flocks when they are infected by highly pathogenic avian influenza—which rapidly infects and kills poultry—to prevent the virus’s transmission to other flocks.
The Colorado workers handled the chickens, placed them into containers holding dozens at a time, and euthanized them with carbon dioxide, according to Dr. Julie Gauthier, executive director for field operations for the US Department of Agriculture’s Animal and Plant Health Inspection Service, as per Iowa Capital Dispatch.
Typically, the workers don protective suits, goggles, gloves, and boots and use respirators to safeguard against pathogens.
However, the outdoor temperature during the operation was around 100 degrees, and the temperature inside the facility was likely even higher. Massive fans circulated air to cool the interior, which also dispersed potentially virus-laden debris such as feathers.
“The challenge of wearing all that gear in such heat, you can imagine,” Gauthier noted, “and it was exacerbated by those fans pushing the air—making it difficult to keep the goggles and N95 respirators in place.”
The virus infecting the flock is akin to one that has affected dairy cattle in 13 states, Shah mentioned. Colorado has had the highest number of infected herds, with at least 37. Shah suggested that the virus might have been transferred to the egg-laying flock from one of these herds.
Highly pathogenic avian influenza has been disseminated by wild birds and has intermittently wreaked havoc on US poultry flocks since January 2022. According to CDC data, approximately 99 million birds from infected flocks have been culled, as reported by Iowa Capital Dispatch.
Federal officials believe that the virus was transmitted from wild birds to Texas dairy cattle in December. Since then, it has spread to herds in other states, likely due to the movement of infected cattle. It is thought to have spread locally to other herds and poultry flocks via humans and their equipment, including farm workers and veterinarians.
Colorado accounts for seven of the ten known human infections in the United States resulting from interactions with sick birds and cattle. The state recorded the first-ever infection of a poultry worker in April 2022. Earlier this month, a Colorado dairy worker was also infected.
The workers recently infected exhibited mild symptoms of conjunctivitis and respiratory illness.
United States: As experts note, if one skips a workout or stays up late, his/her brain might still be paying for it even two weeks from now.
The team of researchers from Aalto University and the University of Oulu in Finland have presented how our lifelong daily behaviors influence brain connectivity and how they remain remodeled throughout our lifespan, thus providing valuable grounds for understanding neural plasticity.
More about the finding
Researchers are now very specific that the ways our brains communicate also change, rather than staying the same over a long time, in response to recent experiences over a long extended time period.
Moreover, they also rejected several principles of brain function stability and opened the consciousness of the influence of human daily habits on the neural network, studyfinds.org reported.
The particular experimental design of this study was examined in one subject over the span of five months and reported in PLOS Biology.
Are Your Daily Habits Remodeling Your Brain? Find Out! Credit | Adobe Stock
By acquiring a brain image every few days and integrating it with data donated by wearables and smartphones, the researchers were able to assess how such pre-mentioned variables as sleep quality, physical activity, mood, and even heart rate variability affect the connectivity of the brain.
Further details of the analysis
The participant, Ana Triana, was also the main researcher in the study and received thirty scans over fifteen weeks.
Each scan involved four different tasks: simple attention task, working memory task, resting state, and then execution of watching the movie.
This variation helped the researchers to trace how various types of brain activities changed along with everyday perceptions.
At the same time, monitoring devices of her sleep/wake cycle, physical movements, and data about her heart and breathing rates were collected.
Simple events can leave “echoes” in our brain for up to 15 days! 🧠@AnaM_Triana and her colleagues were tracking one person’s brain and behavioural activity for five months using brain scans and wearable technology.@JariSaramaki @MedicalReel @eglereanhttps://t.co/Mxm7qRsltF
— Aalto University (@AaltoUniversity) October 9, 2024
The mobile application is used to capture the moods and events of each day. This integration of brain scans and actigraphy gave us an extremely high-resolution picture of how daily experience and brain activity were related, studyfinds.org reported.
The study revealed two distinct patterns of brain response: A brief wave, which lasts for a period of up to seven days, and a long-term wave, which can go up to fifteen days.
Results of the study
One of the interesting outcomes was a strong connection between heart rate variability – which is a measure of the heart’s adaptability – and brain connectivity while resting.
It shows that activities that affect our body’s relaxation response, like stress management ways, can shape our brain wiring even when we’re not actively concentrating on a task.
United States: Obesity remains a huge problem for Americans as far as their health is concerned. New data received by the governments indicate severe obesity, a condition that involves storing far too much fat in the body, has risen to a great extent in the last decade.
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About 40 percent of the population in the US is obese, according to a 2021-2023 survey of about 6,000 people.
Overall, 9 percent of those polled said they were suffering from severe obesity, according to the US Centers for Disease Control and Prevention (CDC).
Moreover, women were nearly two times as likely as men to report severe obesity.
The general obesity rate looked to have decreased in comparison to what was observed in the 2017-2020 survey. However, it was not considered as a statistically significant change.
US Obesity Crisis: 40% of Americans Now Obese – What’s Going On? Credit | USA TODAY
That is, the numbers are small enough that there exists a probability that the rates did not fall at all.
What more are the experts stating?
Dr. Samuel Emmerich conducted the latest study for CDC as a public health officer. He said it is still early to determine its impact on the disease, including new obesity treatments, which include weight-loss drugs like Wegovy and Zepbound.
What they found is that the combined obesity estimate of the United States in the last decade has not considerably altered.
According to Emmerich, “We simply can’t see down to that detailed level to prescription medication use and compare that to changes in obesity prevalence.”
The prevalence of severe obesity increased from nearly eight percent in the study between 2013 and 2014 to nearly 10 percent in the most recent study.
Prior to that, obesity rates had risen rapidly in the US since the 1990s, according to US federal research.
🇺🇸 — Nearly 40% of Americans are obese, with cases of severe obesity rising sharply, particularly among women, who are nearly twice as likely as men to be severely obese. In 23 states, more than 1 in 3 adults were obese.
🔗 Source
⚡️ @FolkishObserver | 📱 Follow pic.twitter.com/grwzoWKdTR
— Cod (@DocKnows097) October 2, 2024
Obesity and severe obesity are expressed in terms of BMI, which is calculated with the help of height and weight. The above BMI indicates that a person is obese, as per the Food and Drugs Administration.
Super obesity is defined as the condition when the person’s BMI is 40 or more.
Solveig Cunningham is a professor of global health at Emory University who is interested in obesity.
“Seeing increases in severe obesity is even more alarming because that’s the level of obesity that’s most highly associated with some of the highest levels of cardiovascular disease and diabetes and lower quality of life,” Cunningham added.
Cunningham also added that it is not apparent why severe obesity rates were higher among women.
United States: Recent reports about potential health risks and whether fluoride benefits are as big as once believed have prompted scrutiny of a public health practice – adding fluoride to water supplies.
This is because, as with some questions, the safety of the practice and new data raise questions about the value of fluoride.
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Adding fluoride to tap water produces only a slight benefit in reducing tooth decay in children’s baby teeth, a new report from the Cochrane Collaboration, an independent group reviewing scientific research, finds.
It is found that adding fluoride to tap water is a slight benefit, leading to slightly fewer cavities in children’s baby teeth, CNN Health reported.
One step in the right direction is to rid our water of fluoride!It’s toxic poison… M.A.H.A. 🇺🇸🦅💯🙌🏻M.A.H.A. https://t.co/WPog4DfVma
” IQ loss in children when exposed to what is presently considered “optimal levels” pic.twitter.com/jAxOFWJSjS— MrsCinkay (@MrsCinkay) October 7, 2024
More about the finding
Research done before 1975 had large benefits; children living in areas with fluoride added to their water averaged about one fewer primary teeth affected by decay than those of children living in areas without water fluoridation.
Those findings don’t apply to more current populations with increased access to other sources of fluoride and lower levels of dental disease at baseline.
Since the 1970s, fluoride-containing toothpaste has been widely available and is more often used.
According to the new report published this week, fluoride in water was tied to a difference in decay of only about a quarter of a tooth, on average, in more recent studies.
The federal judge, last month had asked the US Environmental Agency to further regulate fluoride in drinking water in response to concerns that fluoride may affect young children’s intellectual development, CNN Health reported.
In light of concerns about fluoride’s possible effect on young children’s intellectual development, a federal judge last month ordered that the EPA further regulate fluoride in drinking water.
Some foods and groundwater have fluoride, a mineral. It can help protect tooth enamel, which can erode with acids produced by plaque, bacteria, sugar, and other acids found in your mouth.
The USA began adding fluoride to public water systems in 1945.
Now, almost three-quarters of the US population, about two hundred and nine million people, are served by drinking water systems that have been fluoridated, according to data from the CDC.