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Inhalers' Climate Impact Rivals That of Half a Million Cars

Vast majority of these emissions are traced to common metered-dose inhalers, study finds

(Newser) - A new study highlights an overlooked contributor to greenhouse gas emissions: inhalers for asthma and chronic obstructive pulmonary disease, or COPD, reports CBS News . Published in the Journal of the American Medical Association , the research estimates that US inhaler use produced about 24.9 million metric tons of carbon...

Taylor Swift's Accent Is the Subject of Some Research

Researchers track changes in her accent, vocal pitch over the years

(Newser) - A new study confirms that Taylor Swift's accent has noticeably shifted over the course of her career, mirroring changes in her music and home base. Researchers analyzed more than 100 minutes of Swift's interviews from three key periods, per Scientific American : her early days near Nashville, in...

Here's How Many Buildings Are Threatened by Rising Seas

And that's just in the Global South

(Newser) - That rising seas could threaten some coastal buildings is no surprise—but just how many may startle you. A sweeping new study that looks specifically at the Global South—so along the coasts of Africa, Southeast Asia, and Central and South America—warns that tens of millions of buildings...

Four Factors Give Warning of Heart Problems: Research

Problems can be addressed in time with medication or changes, experts say

(Newser) - More than 99% of heart disease cases share a common thread, new research reveals: At least one preventable risk factor appeared before trouble struck. Understanding and managing these warning signs could be the key to keeping hearts healthy, CNN reports. Researchers analyzed data from over 600,000 cases in...

AI Models Now Ace Toughest CFA Exam in Minutes
Tough CFA Exam?
No Biggie for AI
NEW STUDY
Sep 24, 2025 12:25 PM CDT

Tough CFA Exam? No Biggie for AI

Study shows AI models conquering even essay challenges on notoriously difficult Level III test

(Newser) - Artificial intelligence has hit a new milestone in the world of finance: Top models can now breeze through the notoriously tough Level III CFA exam in minutes, a task that typically demands years of preparation and roughly 1,000 hours of study from human candidates. New research by New...

ER Deaths Climb After Private Equity Takes Over
ER Deaths Climb After
Private Equity Takes Over
new study
Sep 24, 2025 11:10 AM CDT

ER Deaths Climb After Private Equity Takes Over

Staffing cuts linked to higher mortality in emergency departments, researchers say

(Newser) - When private equity (PE) firms take over hospitals, emergency room patients suffer, or so suggests a new study published in the Annals of Internal Medicine . Researchers found that emergency room death rates increased 13% at hospitals acquired by PE firms compared to similar hospitals without such ownership; that translates...

College Students Who Eat Keto May See an Added Perk

Small study shows major drop in depression symptoms among those who follow ketogenic diet

(Newser) - A pilot study out of Ohio State University suggests that a ketogenic diet may help reduce depression symptoms in college students already receiving standard treatment. Sixteen students diagnosed with major depressive disorder followed a strict keto regimen—less than 50 grams of carbs daily, with higher fat and moderate...

'Clever Little Molecule' Could Be Quick Carbon Monoxide Antidote

Engineered protein clears toxin from blood in minutes

(Newser) - Researchers are testing a new protein-based treatment that could dramatically speed up care for carbon monoxide poisoning, a condition responsible for up to 100,000 emergency room visits and 1,500 deaths annually in the US. Carbon monoxide, an invisible and scentless gas, deprives organs of oxygen by binding...

Wildfire Smoke Poised to Be Top Climate Health Threat

Study notes tens of thousands of annual deaths from smoke exposure, with more harm expected

(Newser) - A new study forecasts that wildfire smoke will become the leading climate-related health hazard in the United States, eclipsing risks like extreme heat by midcentury. The analysis estimates that smoke is already responsible for upward of 41,000 excess deaths annually—a figure more than double previous estimates. Researchers...

Wild Chimps Consume the Equivalent of 2 Drinks a Day
Wild Chimps Consume the
Equivalent of 2 Drinks a Day
NEW STUDY
Sep 18, 2025 10:05 AM CDT

Wild Chimps Consume the Equivalent of 2 Drinks a Day

Their drink of choice: naturally fermented fruit juices

(Newser) - In the forests of Africa, wild chimpanzees are buzzing —unwittingly sipping the equivalent of two cocktails a day, according to new research. Scientists from UC Berkeley and other institutions spent three field seasons in Uganda and Cote d'Ivoire gathering and testing fruit regularly consumed by wild chimps...

Aspirin Slashes Risk of Colorectal Cancer Comeback
'Wonder Drug' Has
Another Apparent Perk
NEW STUDY
Sep 18, 2025 9:30 AM CDT

'Wonder Drug' Has Another Apparent Perk

Aspirin slashed risk of colorectal cancer coming back after surgery in new research

(Newser) - A daily low dose of aspirin could sharply cut the risk of colorectal cancer returning after surgery, according to a large Scandinavian trial. Researchers at Stockholm's Karolinska Institute tracked more than 3,500 patients who had surgery to remove colorectal tumors. Genetic screening revealed that roughly 40% of...

AI Finds Signs of Awareness in Coma Patients Before Docs

Artificial intelligence can track facial twitches to reveal early signals

(Newser) - A new study suggests artificial intelligence could spot signs of consciousness in comatose patients—well before doctors do. Researchers at Stony Brook University developed a tool called SeeMe, which uses AI to analyze subtle facial twitches in patients with brain injuries, per Scientific American . These micromovements, sometimes imperceptible to...

You Might Want to Rethink Taking Your Phone to the Toilet

Study links phone use with extra toilet time, higher odds of hemorrhoids

(Newser) - Scrolling through your phone during bathroom breaks may be a more significant health risk than you realize, according to a new study. Researchers from Beth Israel Deaconess Medical Center found that people who brought their smartphones to the toilet spent noticeably longer time there—often over five minutes—compared...

Ultraprocessed Foods May Harm Male Hormones, Boost Body Fat
Ultraprocessed Food
Shows a 'Big Shocker' for Men
NEW STUDY
Aug 29, 2025 4:14 PM CDT

Ultraprocessed Food Shows a 'Big Shocker' for Men

Study links packaged foods to weight gain, hormone disruption for men

(Newser) - A new study suggests that diets high in ultraprocessed foods may negatively affect not just overall metabolic health, but also male reproductive health. In their research published Thursday in the journal Cell Metabolism , scientists from the University of Copenhagen enrolled 43 healthy men, ages 20 to 35, and assigned...

A Chicken-or-Egg Mystery on Early Life May Be Solved

Lab experiment shows how simple chemistry may have bridged gap between RNA, protein synthesis

(Newser) - A new study published this week in Nature offers potential answers to a long-standing question in biology: How did the first proteins form on Earth, setting the stage for life? Researchers at University College London, led by chemist Matthew Powner, have demonstrated in the lab that simple chemistry could...

The Toll of Deforestation: 500K Dead Humans
The Toll of Deforestation:
500K Dead Humans
NEW STUDY
Aug 27, 2025 1:10 PM CDT

The Toll of Deforestation: 500K Dead Humans

Tropical land clearance brings deadly heat to millions, per new research

(Newser) - Deforestation in the world's tropical rainforests has claimed over half a million human lives due to heat-related illnesses in the past 20 years, a new study reveals. Researchers found that as rainforests are cleared in areas like the Amazon, Congo, and Southeast Asia, local temperatures rise. The loss...

Billionaires Face Lower Tax Rates Than Most Americans

Researchers find that ultra-wealthy benefit most from recent tax changes in the US

(Newser) - America's wealthiest citizens are paying a lower share of their income in taxes than the rest of the country, according to a new study by economists at UC Berkeley. Researchers found that billionaires—specifically the top 400, as listed by Forbes —had an average effective tax rate...

At High Risk for Dementia? This Diet Helps
At High Risk for Dementia?
This Diet Helps
NEW STUDY
Aug 25, 2025 6:53 AM CDT

At High Risk for Dementia? This Diet Helps

Mediterranean diet found to cut risk by at least 35% in those with 2 copies of APOE4 gene

(Newser) - A new study finds that sticking to a Mediterranean diet can slash the risk of dementia—especially in those with the highest genetic risk. Researchers tracked more than 5,700 participants over 34 years and found that those who closely followed the Mediterranean diet lowered their dementia risk, in...

Where Aliens Might Actually Pick Up Our Deep Space Signals

Researchers map Earth's strongest space transmissions to guide SETI efforts

(Newser) - A new analysis by researchers at Penn State and NASA's Jet Propulsion Laboratory takes a closer look at where and when alien civilizations might catch signals from Earth, reports IFL Science . The study, published in Astrophysical Journal Letters and discussed at the 2025 Penn State SETI Symposium, maps...

Scientists Create 'Superfood' to Boost Honeybee Survival Rates
Scientists Have a New Plan
to Save the Honeybees
NEW STUDY
Aug 22, 2025 10:24 AM CDT

Scientists Have a New Plan to Save the Honeybees

Lab-made 'superfood' helps colonies produce more surviving young bees

(Newser) - Researchers at the University of Oxford have created a new "superfood" designed to help honeybees survive amid environmental pressures like habitat loss and changing climate. The supplement, developed after 15 years of study, contains the six sterols—special lipids essential to bee development—that bees typically obtain from...

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