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☆ Baking soda water: The benefits and risks of this health trend
▼ + stars: | 2024-08-09 | by ( Kristen Rogers | ) edition.cnn.com time to read: +10 min

However, just because baking soda is produced from natural ingredients doesn’t mean it’s safe to ingest without regulation, she added. The primary way baking soda could be helpful for issues such as acid reflux is by neutralizing acid. There has also been some evidence to suggest baking soda may also slow the progression of kidney disease. Fitness studies have typically dosed within the range of 0.2 to 0.5 grams of baking soda per kilogram of body weight — meaning a person weighing about 59 kilograms, or 130 pounds, might use around a tablespoon of baking soda at a minimum. Baking soda supplementation isn’t the only way to alleviate acid-induced health problems.

Persons: they’ve, ”, Frances Largeman, Roth, ” Largeman, Grace Derocha, Derocha, Tamara Hew, Butler, ” Hew, Paul O’Connor, we’ve, ” O’Connor, “, O’Connor Organizations: CNN, Academy of Nutrition, Wayne State University, International Society of Sports Nutrition, Medical College of Georgia, Augusta University, American, of Medicine Locations: Detroit, Georgia

☆ What scabs, earwax and tears are trying to tell you
▼ + stars: | 2024-06-07 | by ( Dan Baumgardt | University Of Bristol | ) edition.cnn.com time to read: +7 min

The Conversation —Dry scalp? Flaky or dry scalp is an extremely common condition, but in severe cases it certainly doesn’t feel trivial. Scabs may be unsightly, or itchy, but they’re performing the job they’re supposed to — keeping out bugs and allowing wounds to heal. Fresh, healthy earwax tends to be yellow to honey-brown in color, whereas older, thicker earwax becomes darker brown, sometimes even black. Blood, sweat and tears — and wax, skin and mucus — can cause many commonplace issues.

Persons: it’s, there’s, You’d, Baumgardt Organizations: CNN, of Physiology, University of Bristol Locations: United Kingdom

☆ What your belly button reveals about your body
▼ + stars: | 2024-05-24 | by ( Dan Baumgardt | University Of Bristol | ) edition.cnn.com time to read: +6 min

For some, they are the thing of nightmares – omphalophobia (the fear of belly buttons) is a real condition. Whatever your feelings about belly buttons, one thing’s for sure - it once joined you to your mother. The umbilical cord is severed at birth to leave just a small clamped stump that progressively withers and falls away a week or two later. From this point, the belly button seems to become redundant – other than to gather dust and fluff. This circulation is not needed after the baby is born, and once disconnected from the placenta the umbilical vessels naturally close up.

Persons: – omphalophobia, that’s, Mary Joseph Dempsey, William Mayo, Mary Joseph, Dempsey, Hamilton Bailey, Mary Joseph’s, caput, Medusa, Perseus, Dan Baumgardt Organizations: CNN, Mayo, of Physiology, University of Bristol Locations: Minnesota, Mayo, United Kingdom

☆ Google and Harvard unveil most detailed ever map of human brain
▼ + stars: | 2024-05-15 | by ( Jacopo Prisco | ) edition.cnn.com time to read: +9 min

Now, after the lab team’s decade of close collaboration with scientists at Google, that data has turned into the most detailed map of a human brain sample ever created. The result is an interactive 3D model of the brain tissue, and the largest dataset ever made at this resolution of a human brain structure. And of course, it would reveal many more problems, things we hadn’t expected.”What about mapping an entire human brain? “Much of what we think we understand about the human brain is extrapolated from animals, but research like this is critical for revealing what truly makes us human. “Each human brain is a vast network of billions of nerve cells,” said Sporns, distinguished professor of psychological and brain sciences at Indiana University.

Persons: Jeff Lichtman —, Harvard University —, ”, Lichtman, Harvard University That’s, Viren Jain, ” Jain, Jain, there’s, we’re, “, ” Lichtman, haven’t, Michael Bienkowski, ” Bienkowski, Andreas Tolias, Berger, Olaf Sporns, Sporns Organizations: CNN, Harvard University, Google, Google Research, Lichtman, Harvard, Cisco, University of Southern California’s Keck School of Medicine, “, Stanford University in, Indiana University Locations: Stanford University in California

☆ Don’t ignore what your feet are trying to tell you about your health
▼ + stars: | 2024-05-10 | by ( Dan Baumgardt | University Of Bristol | ) edition.cnn.com time to read: +7 min

They’re also plumbed by blood vessels, which lead all the way from the heart. By the time blood vessels reach these extremities, like twigs from a tree, they have branched and got much smaller in size. This rare condition is sometimes called “trash foot,” because of the way in which the feet become so discolored. In adults, however, finding the Babinski sign is an altogether different story. In some otherwise healthy people though, the Babinski sign can be observed during deep sleep.

Persons: They’re, it’s, you’ve, “, —, Joseph Babinski, Dan Baumgardt Organizations: CNN, of Physiology, University of Bristol Locations: United Kingdom

☆ Why don’t humans have tails?
▼ + stars: | 2024-03-23 | by ( Mindy Weisberger | ) edition.cnn.com time to read: +10 min

One of those led to shorter tails; the more of that protein the genes produced, the shorter the tails. A tail as old as timeFor modern humans, tails are a distant genetic memory. While Alu’s role “seems to be a very important one,” other genetic factors likely contributed to the permanent disappearance of our primate ancestors’ tails,” Xia said. In their experiments, the researchers found that when mice were genetically engineered for tail loss, some developed neural tube deformities that resembled spina bifida in humans. “Maybe the reason why we have this condition in humans is because of this trade-off that our ancestors made 25 million years ago to lose their tails,” Yanai said.

Persons: —, Alu, AluY, Bo Xia, ” Xia, ”, Xia, Itai Yanai, ” Yanai, “, Bo, Yanai, TBXT’s, Liza Shapiro, ” Shapiro, africanus, Shapiro, spina, Mindy Weisberger Organizations: CNN, Gene, Broad Institute of MIT, Harvard University, Institute for Systems Genetics, New York University Grossman School of Medicine, University of Texas, Scientific Locations: Austin, Kenya

☆ A survival expert reacts to 'Society of the Snow' and the true story of how 16 people survived the Andes plane crash
▼ + stars: | 2024-03-09 | by ( Kelsey Vlamis | ) www.businessinsider.com time to read: +7 min

"It's totally remarkable and possible, but most people would die," Cat Bigney, a survival expert and instructor at the Boulder Outdoor Survival School, told Business Insider. Actor Enzo Vogrincic as Numa and the survivors around the crash site in Netflix's "Society of the Snow." In actuality, the men would've probably had a lot more muscle on their body," Bigney, who also played rugby for over a decade, said. AdvertisementMany of the plane crash survivors were in their late teens and early 20s. AdvertisementMelted snow, which the movie shows survivors collecting in leftover water bottles, would help, but it would still be ice-cold.

Persons: —, Oscar, Roberto Canessa, Bigney, Bear, J, Enzo Vogrincic, Numa, Quim Vives, would've, may've, — would've, that's, Agustín Pardella, Nando Parrado, Matías Recalt Organizations: Service, Society, Uruguayan rugby team, Survival, Business, Hollywood, Netflix, " Society, —, Uruguayan Air Force, Hulton Locations: Spanish, Netflix's

☆ Reduce risk of IBS with a healthy lifestyle, a new study suggests
▼ + stars: | 2024-02-20 | by ( Taylor Nicioli | ) edition.cnn.com time to read: +7 min

CNN —Adopting a healthy lifestyle could reduce the risk of irritable bowel syndrome, or IBS, a new study found. A research team in Hong Kong found the more healthy lifestyle behaviors that study participants followed, the higher the protection was against the occurrence of IBS. The cause of the disorder is not fully understood, but a healthy lifestyle could prevent it, researchers say. “Evidence from this large cohort suggests that life-style choices play a key role in IBS development.”Stress reductionThe study did not include the reduction of stress as part of the lifestyle behaviors observed. The study found that maintaining healthy lifestyle factors is important, Heitkemper said.

Persons: Kseniya, ”, Vincent Chi, Chung, “, ” Chung, Beverley Greenwood, Van Meerveld, Margaret Heitkemper, ” Heitkemper, Heitkemper, ” Greenwood Organizations: CNN, Mayo Clinic, Getty, Chinese University of Hong, Jockey Club School of Public Health, “ Research, University of Oklahoma Health Sciences Center, University of Washington’s, gastroenterology Locations: midlife, Hong Kong

☆ Surprising jellyfish finding challenges what’s known about learning and memory
▼ + stars: | 2023-09-22 | by ( Jenna Schnuer | ) edition.cnn.com time to read: +5 min

CNN —Caribbean box jellyfish, animals that may appear to float through life aimlessly and don’t have a central brain, still have the ability to learn rapidly and retain information, new research has found. Caribbean box jellyfish, also known by the scientific name Tripedalia cystophora, have 24 eyes — six in each of four visual sensory centers called rhopalia. How jellyfish learnTo test the animals’ ability to learn, the researchers lined the inside of a round tank with gray and white stripes. The gray stripes would appear to the jellyfish’s 24 eyes as dark as a faraway mangrove root does in their natural habitat. “The scientists devised a very convincing experimental paradigm to quantify associative learning in this box jellyfish.

Persons: Anders Garm, “ We’ve, ”, Jan Bielecki, Bielecki, ” Bielecki, “, Michael Abrams, Abrams, ” Abrams Organizations: CNN, University of Copenhagen, Denmark —, Physiology, Kiel University, University of California, California Institute of Technology Locations: Denmark, Germany, Kiel, Caribbean, Berkeley

☆ There are almost no national safety rules protecting US workers exposed to high heat
▼ + stars: | 2023-07-21 | by ( Chris Isidore | ) edition.cnn.com time to read: +9 min

The National Weather Service recorded a high temperature of 97 degrees at the Dallas Love Field airport that day. The human body’s primary way to deal with high heat is through sweating, which cools the body when it evaporates. But despite these risks, getting a clear set of rules to protect workers from high heat has proved difficult. OSHA heat safety rulesEven without a specific heat standard, OSHA can fine employers that let heat get unsafe for workers under a “general duty” rule requiring safe work places. “That’s why a heat standard would be much more useful.”OSHA said protecting workers from heat is a major priority.

Persons: ”, Jordan Barab, “, ” Eugene Gates , Jr, Carla Gates, I’m, Kimetra Lewis, Gates, Larry Kenney, Kenney, Barab, Doug Parker, Marc Freedman, Biden, ” –, Angela Fritz Organizations: New, New York CNN, Occupational Safety, Health Administration, Biden, US Chamber of Commerce, AFL, “, Labor Statistics, Lakewood Post, National Weather Service, Dallas Love, US Postal Service, CNN, National Association of, Carriers, Penn State, First Street Foundation, OSHA, Commerce Locations: New York, California, Florida, Lakewood, Dallas, Gates, United States

☆ Heat Affects Older People More. Here’s How to Stay Safe.
▼ + stars: | 2023-07-20 | by ( Dana G. Smith | More About Dana G. Smith | ) www.nytimes.com time to read: +1 min

How heat affects an aging bodyThe human body has two main mechanisms to cool itself: sweating and increasing blood flow to the skin. In older adults, those processes are compromised — they sweat less and they have poor circulation compared with younger adults. A diseased heart isn’t able to pump as much blood, further reducing blood flow to the skin. And if the nerves become affected in people with severe diabetes, the body might not receive the message that it needs to start sweating. In hot conditions, that can cause them to become dehydrated faster, which is “hugely detrimental for temperature control,” Dr. Crandall said.

Persons: ”, Craig Crandall, Glen Kenny, “, Dr, Crandall Organizations: University of Texas Southwestern Medical Center, University of Ottawa

☆ NASA researchers will spend a year living in a simulated Mars habitat
▼ + stars: | 2023-05-16 | by ( Thomas Page | ) edition.cnn.com time to read: +10 min

Bill Stafford/NASAAiming for fidelity has resulted in a habitat that could feasibly built on Mars, Smith adds. MARK FELIX/AFP/AFP /AFP via Getty ImagesNASA is attempting to fill in what it calls “Strategic Knowledge Gaps,” that currently make a manned Mars mission too risky. A manned Mars mission will ship food to the planet in advance of humans, which means it will need a long shelf-life. Intended as a location for the emirate to develop technology for an eventual Mars mission, it was also designed by Bjarke Ingels Group, with 3D-printed buildings. Thankfully the crew entering CHAPEA in June will not have to concern themselves with that potentially deadly element of a Mars mission.

☆ Whales use a sound similar to Kim Kardashian's 'vocal fry' to hunt deep sea prey, say scientists
▼ + stars: | 2023-03-02 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +5 min

Toothed whales can use vocal registers like humans to communicate and hunt. Like Kim Kardashian, whales have a "vocal fry" which can be used to find prey in deep sea. This gives them access to falsetto, which allows them to make their high-pitched whistles, and the chesty, vocal fry range, which is how they make echolocation. Christian B. Christensen, Aarhus UniversityAn affectation that shaped toothed whales' evolutionTeglberg and Elemans say this has very much influenced the way dolphins, orcas, and other toothed whales evolved a "Mona Lisa" fixed smile on their face. "While vocal fry may be controversial in humans and may be perceived as everything from annoying toauthoritative, it doubtlessly made toothed whales an evolutionary success story", Elemans adds.

“And the pulse oximeter is used from any age to geriatrics,” he said. The US Food and Drug Administration is mulling over next steps for the regulation of pulse oximeter devices, which may give less accurate readings for people of color. A panel of its Medical Devices Advisory Committee met in November to review clinical data on the issue. “I think of the pulse oximeter reading in the same way. Of course this can be dangerous.”Ultimately, the pulse oximeter can estimate the amount of oxygen a person has in their blood without the need for a blood sample.

☆ Artificial light while asleep linked to higher diabetes risk
▼ + stars: | 2022-11-14 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +5 min

CNN —Sleeping in a room exposed to outdoor artificial light at night may increase the risk of developing diabetes, according to a study of nearly 100,000 Chinese adults. Urban light pollution is so widespread that it can affect suburbs and forest parks that may be tens, even hundreds, of miles from the light source, the authors said. “Studies have suggested that inconsistent sleep patterns have been linked to an increased risk of type 2 diabetes,” he said in a statement. Blood samples were collected and compared with satellite imagery of light levels in the area of China in which each person lived. The analysis found chronic exposure to light pollution at night raised blood glucose levels and led to a higher risk of insulin resistance and diabetes.

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