health and wellness
Seasonal allergies may increase suicide risk – new research
Research indicates that seasonal allergies may heighten suicide risk, with deaths by suicide increasing by 5.5% on moderate pollen days and 7.4% on high pollen days. The study suggests allergies exacerbate existing mental health vulnerabilities. Addressing allergy symptoms and enhancing pollen monitoring could help mitigate these risks, especially in vulnerable populations.
Seasonal allergies may increase suicide risk – new research
Shooshan Danagoulian, Wayne State University
Seasonal allergies – triggered by pollen – appear to make deaths by suicide more likely. Our findings, published in the Journal of Health Economics, show that minor physical health conditions like mild seasonal allergies, previously thought not to be an immediate trigger of suicide, are indeed a risk factor.
To evaluate the link between seasonal allergies and suicide, my co-authors and I combined daily pollen measurements with daily suicide counts across 34 U.S. metropolitan areas.
Because both pollen and suicide are sensitive to weather conditions, we carefully accounted for temperature, rainfall and wind. We also controlled for differences in local climate and plant life, since pollen levels vary by region, and for seasonal averages that might otherwise obscure results. This allowed us to compare suicide counts on days with unexpectedly high pollen to days with little or none in the same county.
The results were striking. Relative to days with no or low levels of pollen, we found that deaths by suicide rose by 5.5% when pollen levels are moderate and 7.4% when levels are high. The increase was even larger among people with a known history of mental health conditions or treatment. We also showed that on high-pollen days, residents of affected areas experience more depressive symptoms and exhaustion.
Our analysis suggests that allergies exacerbate existing vulnerabilities, pushing some people toward crisis. We suspect that sleep disruption is the link between allergies and suicide rates.
Why it matters
More than 80 million Americans experience seasonal allergies each year.
Symptoms include sneezing, congestion, itchy eyes and scratchy throat. Most people experiencing these symptoms feel sluggish during the day and sleep poorly at night. Allergy sufferers might not realize, however, that these symptoms reduce alertness and cognitive functioning – some of the factors that can worsen mental health and increase vulnerability to suicidal thoughts and behaviors.
Suicide rates have been growing steadily in the past two decades, by 37% between 2000 and 2018. According to the Centers for Disease Control and Prevention, more than 49,000 Americans died by suicide in 2022, and over 616,000 visited emergency departments for self-harm injuries.
Although socioeconomic and demographic factors are the most important predictors of suicide, much less is known about its short-term triggers. Our study adds to growing evidence that the environment – including something as natural as pollen – can influence mental health risks.
This issue is likely to become more urgent as the climate changes. Rising temperatures lengthen pollen seasons and increase pollen volume. Over the past two decades, pollen seasons have grown in both intensity and duration, and projections suggest they will continue to worsen.
That means more people will experience stronger allergy symptoms, with ripple effects not only for physical health but also for sleep, mood and mental well-being.
What we still don’t know
Despite the scale of the problem, there are no national systems in the U.S. to consistently measure and communicate pollen levels. Most communities lack reliable forecasts and alert systems that would allow vulnerable people to take precautions. This gap limits both prevention and research.
Our study focused on metropolitan areas where pollen and death counts were available, but we cannot yet generalize to rural areas. That is a concern because rural communities often face greater shortages in mental health care and pharmacy access – and have seen rising suicide rates over the past decade.
What’s next
For people who are already receiving mental health care, recognizing and treating seasonal allergies is a key part of self-care.
Over-the-counter medications can be highly effective at reducing symptoms.
More broadly, people should be aware that during peak allergy season, reduced alertness, sleep disruptions and mood fluctuations may place an increased burden on their mental health, in addition to the allergy symptoms.
In terms of policy, improving pollen monitoring and public communication could help people anticipate high-risk days. Such infrastructure would also support further research, particularly in rural areas where data is currently lacking. Our next step, supported by the American Foundation for Suicide Prevention, is to examine the impact of pollen on rural communities.
The Research Brief is a short take on interesting academic work.
Shooshan Danagoulian, Associate Professor of Economics, Wayne State University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
health and wellness
Navigating Cholesterol: What You Need to Know for a Healthy Heart
Navigating Cholesterol: Cholesterol is a crucial substance for the body but can pose risks when levels of “bad” LDL cholesterol are too high. The American Heart Association emphasizes regular screenings, healthy lifestyle choices, and informed care to manage cholesterol and reduce heart disease risks. Early screening in children is also vital for long-term health.
Last Updated on April 29, 2026 by Daily News Staff
Navigating Cholesterol: What You Need to Know for a Healthy Heart
(Feature Impact) With so much information available, it can be difficult to understand what cholesterol is – and why it’s important.
Knowing your personal risk of developing heart disease and managing your cholesterol early through healthy habits, regular screening and informed care is key for heart and brain health.
This advice from the American Heart Association can help you understand why cholesterol matters, how to manage it and how lifestyle habits may affect your long-term heart health.
Cholesterol is Essential
Cholesterol is a waxy substance found throughout your body. Your body makes all the cholesterol it needs for important jobs, such as helping to build cells and make certain hormones. The concern is having too much “bad” cholesterol (low-density lipoprotein, or LDL) in the blood, which can increase the risk of heart disease and stroke. Having enough “good” cholesterol (high-density lipoprotein, or HDL) in your blood can help reduce your risk.
“Cholesterol itself isn’t the enemy – our bodies need moderate levels to function,” said Roger S. Blumenthal, MD, FAHA, chair of the 2026 Dyslipidemia Guideline writing group and an American Heart Association national volunteer expert and cardiologist. “The goal is balance. Healthy lifestyle habits are a powerful step in keeping LDL cholesterol in a healthy range and protecting your heart and brain over the long term.”
Cholesterol in Your Blood vs. Cholesterol in Food
Too much blood cholesterol – the type measured on a cholesterol test – can cause plaque buildup in arteries (atherosclerosis), increasing your risk for heart disease and stroke. Blood cholesterol levels are influenced by overall eating patterns, lifestyle habits, genetics and other health factors, not just the cholesterol found in foods. Enjoy vegetables, fruits, whole grains, beans, nuts, seeds, unsaturated fats and lean proteins as part of an overall healthy eating pattern. Limit ultra-processed foods that are high in saturated fats, added sugars and sodium.
Know Your Numbers and Understand Your Risk
Adults ages 19 and older should have their cholesterol checked at least every five years, as recommended by the American Heart Association.
A lipid profile, or cholesterol test, is a blood test that will provide results for your HDL cholesterol, LDL cholesterol, triglycerides and total blood cholesterol. Other risk factors like age, family history, smoking status and more should also be considered to determine your risk of developing heart disease or stroke. Work with your health care professional to understand your results and design a treatment plan based on your risk.
Managing Cholesterol: Lifestyle is Essential
For many people, healthy lifestyle habits are the foundation of cholesterol management. Eating a nutritious diet, getting regular physical activity, maintaining a healthy weight, getting enough sleep, avoiding tobacco products and managing blood pressure and blood sugar can all help support heart health.
Cholesterol-Lowering Medications
In addition to healthy lifestyle habits, some people may require cholesterol-lowering medication based on their overall risk of developing heart disease or stroke. If side effects occur, talk with a health care professional. Another medication or approach may be a better fit, and staying on the recommended treatment plan can support long-term heart health.
Cholesterol in Children
High cholesterol doesn’t just affect adults. It can begin in childhood, particularly for children with inherited conditions or other risk factors, which is why early screening is important.
Cholesterol screening is recommended for children not previously screened between the ages of 9-11 to help assess risk and guide care, along with kickstarting wellness habits such as prioritizing healthy foods, daily exercise and adequate sleep. These small lifestyle changes can help reduce the risk of heart disease and stroke through adulthood.
For more information and heart health resources, visit Heart.org/KnowYourCholesterol.
Photos courtesy of Shutterstock
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Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
health and wellness
HEPA air purifiers may boost brain power in adults over 40 – new research
Using a HEPA air purifier at home for one month was linked to a small but significant boost in executive function for adults 40+, according to new research on traffic-related air pollution.
Nicholas Pellegrino, University of Connecticut; Doug Brugge, University of Connecticut, and Misha Eliasziw, Tufts University
HEPA air purifiers may boost brain power in adults over 40 – new research
Using an in-home HEPA purifier for one month spurs a small but significant improvement in brain function in adults age 40 and older. That’s the result of a new study we co-authored in the journal Scientific Reports.
HEPA purifiers – HEPA stands for high efficiency particulate air – remove particulate matter from the air. Exposure to particulate matter has been connected to respiratory and cardiovascular illnesses as well as neurological diseases such as Alzheimer’s and Parkinson’s. Environmental health researchers increasingly recommend that people use HEPA air purifiers in their homes to lower their exposure to particulate matter, but few studies have examined whether using them boosts mental function.
We analyzed data from a study of 119 people ages 30 to 74 living in Somerville, Massachusetts. Somerville sits along Interstate 93 and Route 28, two major highways, resulting in relatively high levels of traffic-related air pollution. This makes it an especially good location for testing the health effects of air purifiers.
We randomly assigned participants to one of two groups. One used a HEPA air purifier for one month and then a sham air purifier – which looked and acted like the real thing but did not contain the air-cleaning filter – for one month, with a monthlong break in between. The second group used the real and sham purifiers in reverse order.
After each month, participants took a test that measured different aspects of their mental capacity. The test probed people’s visual memory and motor speed skills by measuring how quickly they could draw lines between sequential numbers, and it tested executive function and mental flexibility by asking them to draw lines between alternating sequential numbers and letters.
We found that participants 40 years and older – about 42% of our sample – on average completed the section testing for mental flexibility and executive function 12% faster after using the HEPA purifier than after using the sham purifier. That was true even when we accounted for factors like differences in the amount of time participants spent indoors, with either filter, as well as how stressful they found the test.
This improvement may seem small, but it is similar to the cognitive benefits that people experience from increasing their daily exercise. While you may not experience a sudden increase in clarity from a 12% boost, preventing cognitive decline is vital for long-term well-being. Even small decreases in cognitive functioning may be associated with a higher risk of death. https://www.youtube.com/embed/CKpg3qCMXi4?wmode=transparent&start=0 Studies increasingly show that air pollution can be detrimental to brain health.
Why it matters
Air pollution can negatively affect mental function after just a few hours of exposure. Studies show that air purifiers are effective at reducing particulates, but it’s unclear whether these reductions can prevent cognitive harm from ongoing pollution sources like traffic. Research has been especially lacking in people living near major sources of air pollution, such as highways.
People living near highways or major roadways are exposed to more air pollution and also experience higher rates of air pollution-related diseases. These risks aren’t encountered by all Americans equally: People of color and low-income people are more likely to live near highways or areas with heavy traffic.
Our study shows that HEPA air purifiers may offer meaningful health benefits under these circumstances.
What still isn’t known
Research shows that air pollution begins to affect cognitive function especially strongly around age 40. These effects may become increasingly prominent as people age.
HEPA air purifiers may therefore be especially beneficial for older adults. Our study did not explore this possibility, as fewer than 10 of our 119 participants were over the age of 60.
Also, our participants only used a HEPA air purifier for one month. It’s possible that longer durations of air purification may sustain or even increase the improvement in cognitive function we observed in our study.
Finally, it is unclear exactly how air purifiers improve cognition. Some studies suggest that exposure to particulate matter reduces the amount of the brain’s white matter, which helps brain cells conduct electrical signals and maintains connections between brain regions. The brain regions most harmed by air pollution are the ones that control mental flexibility and executive function, the same domains in which we saw improvements in our study.
We plan to study whether reducing particulate matter by using air purifiers is indeed protecting the brain’s white matter, and whether it could reverse some cognitive decline. We will explore that possibility by studying how levels of molecules called metabolites, which cells produce as they do their jobs, change in response to breathing polluted air and air cleaned by a HEPA filter.
The Research Brief is a short take on interesting academic work.
Nicholas Pellegrino, Research Associate in Public Health Sciences, University of Connecticut; Doug Brugge, Professor of Public Health Science and Community Medicine, University of Connecticut, and Misha Eliasziw, Associate Professor of Biostatistics, Public Health and Community Medicine, Tufts University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
Lifestyle
Stopping the ‘Silent Killer:’ How to Check, Prevent and Manage High Blood Pressure
Stopping the Silent Killer: High blood pressure poses significant health risks for people of all ages, but there are effective ways to both prevent and manage this “silent killer” by working with a health care professional to make lifestyle changes.
Stopping the ‘Silent Killer:’ How to Check, Prevent and Manage High Blood Pressure
(Feature Impact) High blood pressure poses significant health risks for people of all ages, but there are effective ways to both prevent and manage this “silent killer” by working with a health care professional to make lifestyle changes.
Hypertension, also known as high blood pressure, is when the force of blood flowing through blood vessels is consistently too high. This condition makes the heart work harder than normal and can damage arteries, increasing the risk of heart disease, stroke and other health problems.
High blood pressure is the leading risk factor for stroke and heart conditions such as coronary artery disease, heart failure and atrial fibrillation. Strengthening evidence also shows high blood pressure is linked to risk of cognitive decline and dementia, which is why the American Heart Association is working to increase awareness and encourage people to manage blood pressure. Protect your heart and brain both now and in the future with this information and wellness advice.
Who Can Have High Blood Pressure?
Anyone can develop high blood pressure, which is why it’s encouraged for everyone – in all age groups, including children and young adults – to have their blood pressure checked at annual physicals or wellness checkups. For those with a history of high blood pressure or risk factors for developing the condition, more frequent measurements may be recommended.
Major risk factors for high blood pressure include excess weight, diabetes, high cholesterol, smoking, lack of physical activity, alcohol consumption and a diet high in sodium and low in potassium.
Nearly half of adults in the U.S. have high blood pressure and many don’t even know it. Of those with high blood pressure, about 75% don’t have the condition under control. Because it typically shows no symptoms, it’s often called a “silent killer.”
How is Blood Pressure Checked?
To get the best blood pressure reading, sit in a chair with support for your back with both feet flat on the ground.
Use a validated, automatic, cuff-style, upper-arm monitor. Remove clothing over the arm that will be used and rest for at least 5 minutes. Extend your arm and support it at heart level while staying quiet and still then take multiple readings and record the results. Aim to measure at the same time each day.
For most adults, a normal blood pressure reading should be less than 120/80 mm Hg.
What Happens After a High Blood Pressure Diagnosis?
Recognizing and taking quick action to control high blood pressure can significantly lower the risk of severe health consequences, including heart attack and stroke, and improve overall health. If you’ve been diagnosed with high blood pressure, work with a health care professional to design a treatment plan that works for you. It may include lifestyle changes to your diet or activity levels or medication.
How Can High Blood Pressure Be Prevented or Managed?
Preventing high blood pressure is possible. Talk with a health care professional to create a plan that works for you, which may include small steps like eating a heart-healthy diet, staying active and maintaining a healthy weight.
For those diagnosed with high blood pressure, maintaining a healthy weight by staying active (at least 150 minutes of moderate activity per week) and eating a balanced diet rich in fruits, vegetables, lean protein and whole grains are important. Even losing 5% of your weight can help improve blood pressure.
It’s also important to reduce or avoid alcohol consumption and tobacco use. Consider stress-reducing activities, including meditation, breathing control or yoga. For many individuals, adhering to prescribed medications is essential to effectively control blood pressure and reduce the risk of serious health complications.
To learn more about blood pressure management and how to check it properly, visit heart.org/bp.
Photos courtesy of Shutterstock
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Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
