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Results for search "Pollution, Air".

17 Jul

Two Major Air Pollutants Decline During COVID-19 Pandemic

Researchers say the improvement is likely temporary.

Health News Results - 129

Dirty Air in Pregnancy Might Raise Baby's Obesity Risk

Children may have an increased risk of obesity if their mothers were exposed to high levels of air pollution during pregnancy, researchers say.

In a new study, 123 Hispanic mother-infant pairs were enrolled in an ongoing trial in the Los Angeles region. Before pregnancy, about one-third of the mothers were normal weight, one-third were overweight and one-third were obese.

The resear...

Smog Might Damage Your Sense of Smell

Breathing in tiny particles of air pollution over a long period of time may put your sense of smell at risk, a new study suggests.

Researchers found the risk for loss of smell - a condition called anosmia - was nearly doubled among people with lengthy exposure to this type of air pollution, known as particulate matter.

"It's curious that the entire group who had lost th...

Fetal Exposure to Ultra-Fine Air Pollution Could Raise Asthma Risks

Exposure to a certain type of air pollution while pregnant may up the odds that your child will develop asthma, a new study says.

Children born to mothers exposed to high levels of ultra-fine particle air pollution during pregnancy have a significantly increased risk of asthma, researchers found.

Ultra-fine particle pollution is smaller than the width of an average human hair and ca...

Smoggy Air Might Raise Black Women's Odds for Fibroids


TUESDAY, May 18, 2021 (HealthDay News) - Exposure to ozone air pollution may make Black women more likely to develop fibroids.

Compared to women exposed to the lowest levels of the pollutant, Black women exposed to the highest levels had a 35% increased risk for developing the non-cancerous growths in and around their uterus. The link was even stronger among women younger than...

Meat Production Is Dirtying the Air You Breathe

Steaks and burgers could be killing thousands of Americans each year, but in a way most people wouldn't expect -- via air pollution.

That's the conclusion of a new study estimating that airborne particles generated by food production kill nearly 16,000 Americans each year. Pollution related to animal products -- most notably beef -- accounts for 80% of those deaths.

"What we eat aff...

Air Pollution Can Harm Kids' Hearts for a Lifetime

Air pollution isn't hard on the hearts of adults only, suggests a new analysis that found it can raise blood pressure in kids as young as 5.

Children experienced increases in blood pressure if they had short-term exposure to air polluted with coarser particles or long-term exposure to finer airborne particles, and that also happened with long-term exposure to nitrogen dioxide, an air poll...

Breathing Other People's Smoke Can Raise Your Odds for Heart Failure

Exposure to secondhand smoke may up your odds for heart failure, a new study warns.

Researchers analyzed nationwide survey data from more than 11,000 nonsmokers (average age: 48) who were followed from 1988 to 1994. Nearly 1 in 5 had lab test evidence of exposure to secondhand smoke.

Nonsmokers with recent exposure were 35% more likely to develop heart failure than those with none, ...

Wildfires Are Changing the Seasonal Air Quality of the U.S. West

Increasing numbers of wildfires are making poor air quality more common throughout the Western United States, according to a new study.

The findings suggest that many cities may soon have trouble meeting air quality standards, said lead author Kai Wilmot, a doctoral student in atmospheric sciences at the University of Utah in Salt Lake City.

Wilmot's team examined Western air qualit...

Breathing Dirty Air Could Raise a Child's Risk for Adult Mental Illness

Kids exposed to air pollution may be at risk for mental illness in early adulthood, a new study suggests.

Researchers found that young adults in Britain who were exposed to higher levels of traffic-related air pollutants during their childhood and teen years were prone to develop symptoms of mental illness later. Nitrogen oxides were a particular problem, the study authors reported.

Wildfire Smoke Can Trigger Eczema, Study Finds

When wildfires choked the air and turned the skies orange throughout the American West in recent years, they caused a variety of health problems from coughs and runny noses to life-threatening heart attacks and strokes.

But eczema and other skin issues were a result of the wildfires, too, according to researchers from the University of California, San Francisco (UCSF), and the University ...

Do You Live in One of America's Unhealthiest Cities for Polluted Air?

More than 40% of Americans live with unhealthy air, with people of color disproportionately affected, according to the American Lung Association's annual "State of the Air" report.

Certain cities, and certain types of Americans, are far more prone to be affected.

Black Americans are 61% more likely to live in a county shrouded in unhealthy air than white people and three times more ...

Dirty Air Could Raise COVID Risks for People With Asthma, COPD

Long-term exposure to polluted air could increase the risk of severe COVID-19 in people with respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD), new research shows.

For the study, researchers at the University of Cincinnati examined the backgrounds and health outcomes of more than 1,100 COVID-19 patients diagnosed at UC Health between mid-March and early ...

Is It Allergies or COVID? Expert Shows How to Tell the Difference

Seasonal allergies are striking this year at the worst possible time, with the United States in the midst of a fourth wave of the global COVID-19 pandemic.

You've got an itchy nose and watery eyes. Or maybe you've got a fever and a sore throat. Or you've developed a cough and you have trouble breathing.

Is it COVID-19, or just your usual allergies?

Confusion is perfectly under...

L.A.'s Oil Wells Could Be Harming Citizens' Health

The respiratory health risks among people who live near oil wells in Los Angeles are similar to the risks from daily exposure to secondhand smoke or living near a freeway, researchers say.

In a new study, they also found that people of color are disproportionately affected by respiratory problems such as wheezing and reduced lung function associated with living near the oil wells.

"...

Live Near a 'Superfund' Site? Your Life Span Might Be Shorter

Living near a Superfund hazardous waste site may shorten your life, new research suggests.

There are thousands of Superfund sites across the United States and they include manufacturing facilities, processing plants, landfills and mines where hazardous waste was dumped, left out in the open or poorly managed, posing a risk to the environment and human health.

In this study, research...

California's Tougher Diesel Emissions Rules Cut Related Deaths in Half: Study

California's strict limits on diesel air pollution appear to have paid off.

Since the limits were added in 1990, diesel exhaust-related deaths have been halved, with the largest reductions in deaths seen in lower-income communities, a new study finds.

By 2014, California saw a 78% decrease in diesel emissions, while diesel emissions in the United States fell by only 51...

Nitrogen Dioxide, a Car Exhaust Pollutant, Is Raising Death Rates: Study

Even small increases of nitrogen dioxide (NO2) air pollution may cause an uptick in heart- and lung-related deaths, underscoring the need to tighten limits on this type of air pollution, Chinese researchers say.

NO2 is produced by burning fuel for vehicles, power and industrial production. World Health Organization (WHO) air quality guidelines recommend NO2 levels not exceed an annual ave...

When Coal-Fired Power Plants Close, Kids With Asthma Breathe Easier

Fewer children end up in ERs for asthma attacks if nearby coal-fired power plants are shut down, a new study finds.

"When these power plants close, we see a reduction of somewhere between 12% and 18% in emergency department visits for asthma," said senior researcher Emily Pakhtigian, an assistant professor of public policy at Pennsylvania State University. "When the plants close down, chi...

Wildfire Smoke Can Send Kids With Asthma to the ER

The smoke from forest fires is sending children to emergency rooms with respiratory problems at higher rates than ever before, a new study finds.

"Kids are particularly vulnerable to pollution from wildfires, so they can have asthma exacerbation and other respiratory problems," said senior researcher Tarik Benmarhnia, an associate professor of family medicine and public health at the Univ...

Wildfire Smoke Is Especially Toxic to Lungs, Study Shows

Fine particles in wildfire smoke pose a far greater threat to the lungs than similar particles in vehicle exhaust and other types of air pollution, researchers report.

These fine particles -- called PM2.5 -- have a diameter about 1/20th the size of a human hair and can get into the respiratory tract, enter the bloodstream and damage key organs.

PM2.5 is the main component of wildfir...

Even Low Levels of Air Pollution Harm Heart, Lungs

Breathing in air that has even low levels of pollution poses a threat to older adults' heart and lungs, a new study warns.

Researchers analyzed medical records of more than 63 million Medicare patients from 2000 to 2016. They found that long-term exposure to low levels of air pollution could increase the risk of pneumonia, heart attack, stroke and the irregular heart rhythm known as atria...

Drivers May Be Inhaling Dangerous Carcinogens Inside Their Cars

Worried about what damage the polluted air outside might pose to your health during your work commute? New research suggests you might want to worry more about the chemicals you are exposed to inside your car.

Benzene and formaldehyde are used in automobile manufacturing, and both are known to cause cancer at or above certain levels of exposure. Benzene also poses a risk of repro...

Lockdowns' Benefits for Air Quality Weren't as Big as Thought: Study

Two types of air pollution declined in cities around the world during initial COVID-19 lockdowns, but one type increased, a new study finds.

Researchers assessed changes in levels of nitrogen dioxide, ozone and fine particulate (PM2.5) air pollution during lockdowns in 11 cities: Beijing and Wuhan in China; Milan; Rome; Madrid; London; Paris; Berlin; New York; Los Angeles; and Delhi, Indi...

What If NYC's Cleaner Pandemic-Era Air Continued?

The COVID-19 shutdown in New York City gave researchers an unintended "natural experiment" of cleaner air, where they could simulate what it would be like for future health and economics if improved air quality could be sustained.

In their new study, Columbia University researchers asked, "What if air quality improvements in New York City during the spring 2020 COVID-19 shutdown were sust...

Air Pollution Takes a Toll on Your Kidneys

Tiny particles of air pollution were already known to raise people's risk of developing heart and lung disease, but a new study suggests they might also raise the risk of developing chronic kidney disease.

Researchers from Peking University in Beijing, China, found that the risks from this fine particulate matter was significantly stronger in urban areas, and among males, younger adults a...

Social Media Messages Can Lower People's Meat Intake

One way to to influence meat consumption -- and perhaps curb climate change -- is through social media messaging, according to a new study that used Facebook Messenger.

"The results of the research are really encouraging," said study co-author Wouter Poortinga, a professor of environmental psychology at Cardiff University in Wales. "It shows that we can make changes to our diet, and if we...

Could Dirty Air Help Speed Alzheimer's?

Older adults exposed to air pollution might have a heightened risk of abnormal "plaque" accumulation in the brain, a new study suggests.

Plaques refer to clumps of protein called beta-amyloid that build up in the brains of people with Alzheimer's disease. In the new study, researchers found that among older adults with memory and thinking problems, those exposed to higher levels of air po...

Wood-Fired Cooking a Cause of Lung Illness in Developing World

People who cook with wood instead of other fuels may be at risk of lung damage because of the pollutants and bacterial toxins they're breathing, a small study suggests.

Researchers studied the impact of cookstove pollutants on 23 people in Thanjavur, India, who use liquefied petroleum gas or wood biomass (wood, crop waste or wood brush) to cook.

They measured concentrations of pollu...

Air Pollution May Harm Older Women's Brains

Pollutants in the air -- fine particulates that are 30 times smaller than the width of a strand of hair -- may be damaging older women's brains.

In a new study, researchers linked breathing in high levels of this polluted air to shrinkage in areas of the brain that are vulnerable to Alzheimer's disease.

"Fine-particle pollution is kind of like a cocktail. There are a lot of differen...

Dirty Air Endangers Homeless People: Study

Air pollution poses a threat to homeless people's mental and physical health, researchers say.

They asked 138 homeless people in Salt Lake City about when and how they knew the air was polluted and how air pollution makes them feel. They also examined their health records.

More than half the people said they'd had physical reactions to air pollution (such as headaches and difficulty...

High Ozone Levels Up Cardiac Arrest Risk: Study

High levels of ozone air pollution could increase the risk of cardiac arrest, a new study says.

It included 187,000 people, average age 63, in the United States who suffered out-of-hospital cardiac arrest between 2013 and 2016.

Their exposure to ozone air pollution was estimated using U.S. Environmental Protection Agency (EPA) data on daily ozone levels in different regions.

F...

Can Air Pollution Make COVID Even Deadlier?

People with long-term exposure to air pollutants may be more likely to die from COVID-19, according to a new study.

In an analysis of more than 3,000 U.S. counties, researchers found that just a small increase in long-term average exposure to fine-particle pollutants (PM2.5) upped the risk of death from COVID by more than 10%.

The study was published Nov. 4 in the journal Scienc...

Smog Could Increase COVID-19 Deaths by 15% Worldwide

Long-term exposure to air pollution is tied to an increased risk of dying from COVID-19, a new study finds.

About 15% of deaths from COVID-19 worldwide could be due to long-term exposure to air pollution, the researchers said. In Europe, the proportion was about 19%, in North America about 17% and in East Asia about 27%.

These proportions are an estimate of "the fraction of COVID-19...

COVID-19 Lockdowns Improved Air, Prevented Deaths

Lockdowns in China and Europe to blunt the spread of COVID-19 resulted in better air quality and thousands of lives saved, a new study finds.

Researchers found that fine particulate matter (PM2.5) concentrations dropped 30% in China and 17% in parts of Europe.

PM2.5 are tiny airborne particles that come from combustion including industrial emissions, transportation, wildfires and ch...

Smog Tied to Raised Risk for Parkinson's, Alzheimer's Disease

As the air people breathe gets dirtier, their odds for serious neurological disorders such as Parkinson's disease, Alzheimer's and other dementias rises, new research shows.

The long-term study of more than 63 million older Americans can't prove cause and effect, but does show a strong association between air pollution and brain disorders. The researchers said the link was seen even a...

Air Pollutants, Metals Are Reaching The Placenta,  Study Finds

Metals and other air pollutants have been found in the placentas of new mothers, which means such pollutants may be able to reach the fetus, researchers report.

"Our study for the first time shows that inhaled carbon particulate matter in air pollution travels in the blood stream, and is taken up by important cells in the placenta. We hope that this information will encourage policy m...

Wildfire Smoke Poses Special Threat to People With Asthma

People with asthma and other respiratory illnesses need to be aware of the threat that wildfire smoke poses to their breathing and take steps to protect themselves, an allergy expert warns.

Wildfires are raging across western U.S. states, and the smoke is spreading across much of the country.

It's important for everyone -- especially children and people with asthma and other...

How Would Americans' Health Improve If All Cars Were Electric?

America's air would become remarkably cleaner if the country accelerated its transition to electric cars that don't rely on fossil fuels, the American Lung Association said in a new report Tuesday.

A full transition to electric cars by 2040 would also result in fewer deaths, asthma attacks, heart attacks, strokes and other health problems related to air pollution, said William Barrett...

Wildfires Ravage Land, and Lungs, Across the U.S. West

HVAC repairman Brad Sissell shrugged off the acid-yellow air surrounding him and kept working, preparing a gas pipe for a new range going into a Salem, Ore., home.

Less than a half-hour's drive away, nearly 200,000 acres were burning in one of the major Oregon wildfires that has sent a full tenth of the state's population fleeing for shelter.

But it was a workday and so Siss...

West Coast Wildfires, COVID a Double Whammy to Lung Health

Even as wildfires rage across California, Oregon and Washington, another danger lurks in the eerie orange haze that has enveloped U.S. cities, towns and neighborhoods this week: an increased risk of catching COVID-19.

Wildfire smoke can irritate the lungs and harm the immune system, explained Dr. Cheryl Pirozzi, a pulmonologist at University of Utah Health. The particulate pollution c...

Harmful Flame Retardants Detected in College-Classroom Dust

Indoor spaces often contains harmful chemicals, say researchers who found high levels of toxic flame retardants in the dust of some U.S. college classrooms.

The chemicals have been linked to thyroid disease, infertility, decreased IQ, cancer and other health problems. They were released by furniture in the facilities.

When they get into dust, the chemicals can enter your bod...

Hot Asphalt Releases a Lot of Pollution Into the Air

Asphalt baking in the summer sunshine is no fun for tender feet, but a new study suggests it's not doing your lungs any favors either.

As it heats up, asphalt releases chemical compounds that contribute to air pollution. And its emissions double as its temperature increases from 104 to 140 degrees Fahrenheit, researchers found.

Sunlight plays a key role in these asphalt emis...

Air Pollution Tied to Asthma in Young Kids

High levels of air pollution may increase young children's risk of developing asthma and persistent wheezing, researchers warn.

The findings "support emerging evidence that exposure to air pollution might influence the development of asthma," according to a report by Torben Sigsgaard, of Aarhus University in Denmark, and colleagues.

For the new study, the researchers analyze...

Autopsies Show Microplastics in All Major Human Organs

Microscopic bits of plastic have most likely taken up residence in all of the major filtering organs in your body, a new lab study suggests.

Researchers found evidence of plastic contamination in tissue samples taken from the lungs, liver, spleen and kidneys of donated human cadavers.

"We have detected these chemicals of plastics in every single organ that we have investigat...

Look Beyond Fossil Fuels to Curb Air Pollution

Burning fossil fuels account for about 100,000 air pollution-related deaths in the United States each year -- but there are other less obvious sources of deadly air pollution, a new study warns.

"People usually think of power plants and cars, but nowadays, livestock and wood stoves are as big of a problem. It's also our farms and our homes," said Sumil Thakrar, a postdoctoral research...

If Mom-to-Be Lives Near Airport, Odds for Preemie Birth Rise

The roar of jet engines may pose a hidden danger to babies: higher odds of premature birth tied to plane exhaust.

So finds a study showing that pregnant women exposed to high levels of pollution from the exhaust of jet planes are 14% more likely to deliver prematurely than women exposed to lower levels.

Researchers looked at exposure to small-particle air pollution amon...

9/11 First Responders Have Higher Odds for Alzheimer's: Study

First responders to the 9/11 terrorist attacks appear to be at increased risk for Alzheimer's disease and dementia, new research suggests.

The prevalence of post-traumatic stress disorder (PTSD) and mild thinking impairments among them is well-known, and now two studies from Stony Brook University in New York have identified changes in their brains similar to those in dementia patient...

Toxic Lead Fallout From Notre Dame Fire May Be Worse Than Thought

A ton of dangerous lead dust may have been deposited around Notre Dame cathedral in Paris when it burned in April 2019 -- far more than had been estimated, a new study suggests.

The cathedral's roof and spire were covered in 460 tons of lead -- a neurotoxic metal that's especially dangerous to children -- and questions have been raised about how much lead was released into nearby neig...

Even in Dirty Air, Working Out Can Help Cut Risk of High Blood Pressure

Regular exercise can reduce your risk of high blood pressure, even if you live in an area with high levels of air pollution, new research shows.

The new study included more than 140,000 adults in Taiwan who did not have high blood pressure and who were followed for an average of five years.

The researchers found that those who were highly active and exposed to low levels of ...

U.S. Air Quality Got Better During Pandemic: Study

U.S. air quality improved after businesses closed to reduce the spread of the new coronavirus, researchers say.

For their new study, they compared air pollution data for 122 U.S. counties between March 13 and April 21, to the same dates and locations going back to 2017.

"It has been shown that high air pollution may play a role in exacerbating respiratory diseases, including...

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