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Shocking list of cities where polluted air is slowly killing its residents

Shocking list of cities where polluted air is slowly killing its residents

Daily Mail​27-04-2025

A shocking new report has revealed the most dangerous US cities for air pollution, where toxic conditions could be damaging residents' health day after day.
Air pollution, which triggers a multitude of health problems, is one of the world's biggest killers. The American Lung Association compiled the new rankings based on weighted averages of unhealthy air days.
Cities earned their positions based on ozone measurements that indicate dangerous breathing conditions.
Long Beach in Los Angeles County topped the list of metropolitan areas with the worst ozone pollution, followed closely by several California neighbors.
Visalia, California, made number two on the list and Bakersfield-Delano was in third place.
The devastating rankings expose how millions of Americans are unknowingly breathing harmful air that experts warn can lead to serious respiratory issues, heart disease, strokes, and even premature death.
Mesa, near Phoenix in Arizona, claimed the fourth spot in the ozone pollution rankings, while Fresno-Hanford-Corcoran, California rounded out the top five most polluted areas.
Denver-Aurora-Greeley, Colorado earned the sixth spot, with Houston-Pasadena, Texas following at number seven.
San Diego-Chula Vista-Carlsbad, in California, landed at eighth place, while Salt Lake City-Provo-Orem - which spans both Utah and Idaho - secured the ninth spot.
Dallas-Fort Worth area, extending across Texas and Oklahoma, completed the list of the top ten.
The list continues with Sacramento-Roseville, California at number eleven, followed by gambling mecca Las Vegas-Henderson, Nevada at twelve and Fort Collins-Loveland, Colorado ranking 13th.
The San Jose-San Francisco-Oakland corridor appears at number fourteen.
America's third-largest city, Chicago-Naperville - which spans Illinois, Indiana and Wisconsin - comes in at 15th place.
Surprisingly, New York-Newark, the nation's largest metropolitan area stretching across New York, New Jersey, Connecticut and Pennsylvania, closes out the list at number sixteen.
The World Health Organization has warned that close to 7 million people die each year from exposure to unhealthy air.
'Families across the U.S. are dealing with the health impacts of air pollution every day, and extreme heat and wildfires are making it worse,' said Harold Wimmer, the president and CEO of the American Lung Association.
Air pollution is causing kids to have asthma attacks, making people who work outdoors sick, and leading to low birth weight in babies.
'This year's report shows the dramatic impact that air pollution has on a growing number of people.
'Even as more people are breathing unhealthy air, the federal staff, programs and policies that are supposed to be cleaning up pollution are facing rollbacks, restructuring and funding challenges.'
'For decades, the U.S. Environmental Protection Agency (EPA) has worked to ensure people have clean air to breathe, from providing trustworthy air quality forecasts to making sure polluters who violate the law clean up.'
'Efforts to slash staff, funding and programs at EPA are leaving families even more vulnerable to harmful air pollution. We need to protect EPA.'

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  • Daily Mail​

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Researchers are developing a simple blood test that could assess your health span and lifespan. Image credit: Santi Nuñez/Stocksy. Intrinsic capacity is the sum of a person's mental and physical capacities, and is a measure of aging. Maintaining physical and mental function is a cornerstone of healthy aging. Formerly, assessing intrinsic capacity has been a costly and time-consuming process. Now, researchers have developed a method for assessing intrinsic capacity and age-related decline from a single drop of blood or saliva. They suggest that their test could be used to track aging and guide targeted interventions to maintain mental and physical function as people age. Intrinsic capacity (IC) is defined by the World Health Organization (WHO) as 'all the physical and mental capacities that a person can draw on and includes their ability to walk, think, see, hear and remember.' 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'Simply,' he added, 'if your body is functioning well internally you are more likely to live longer and stay healthier. This test doesn't just give a snapshot of your current state; it may also offer a glimpse into your future health.' In everyone, intrinsic capacity declines with age, but there are measures that can help to slow that decline. This study found that people with a high dietary intake of oily fish, and sugar intake that was within recommended guidelines (no more than 5% of total energy intake), were more likely to have a high DNAm IC. Tunç Tiryaki, board-certified plastic surgeon and founder of the London Regenerative Institute, who was not involved in the recent study, explained the association: 'Oily fish are rich in long-chain omega-3 fatty acids (EPA and DHA), which have anti-inflammatory, neuroprotective and mitochondrial-supportive properties. These mechanisms are closely aligned with domains of IC such as vitality and cognitive function. Omega-3s also modulate gene expression related to immune responses and cellular senescence, pathways shown to be enriched in the DNAm IC signature.' 'Conversely, excessive sugar intake is known to accelerate glycation, oxidative stress, insulin resistance and chronic inflammation, all of which impair IC,' Tiryaki told MNT . 'Staying within recommended sugar limits likely supports metabolic flexibility and reduces inflammatory burden, preserving cognitive and physical function. These dietary factors likely influence DNAm IC by modulating epigenetic regulation and immune aging, thus helping maintain functional capacity,' he detailed. Holland, Tiryaki, and Rolt recommended a number of measures to help ensure healthy aging. These include: following a healthy diet, such as the MIND or Mediterranean diet, that is rich in fresh fruit and vegetables, wholegrains, and healthy fats, such as those found in nuts, olive oil and oily fish regular physical activity, including aerobic activity, strength training and balance exercises; Tiryaki emphasized that physical activity 'supports locomotion and vitality and influences mitochondrial function and immune health, both of which are linked to IC' cognitive and social engagement — keeping your brain stimulated and maintaining social networks are both associated with healthier aging. ensuring that you manage stress and any chronic diseases. Holland told us that the DNAm clock was a major advance in functional aging science: 'It links molecular biology with real-world outcomes like mobility, cognition and lifespan. While further validation is needed, especially in older adults with low IC, this study lays the groundwork for using personalised epigenetic markers to guide interventions in preventive geriatrics, longevity medicine and precision public health.' 'DNAm IC reflects not only how long you might live, but how well you might function, and that shift in focus is central to meaningful longevity.' – Thomas M. Holland, MD, MS Blood / Hematology Seniors / Aging

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