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LA fires: Long-term exposure to wildfire smoke is poorly understood − and a growing risk

Wildfires in Los Angeles expose millions to harmful smoke containing toxic chemicals, increasing the need for understanding long-term health impacts.

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Residents watch as a home burns in Altadena, Calif., on Jan. 8, 2025. AP Photo/Ethan Swope

Luke Montrose, Colorado State University

Millions of people across the Los Angeles area are being exposed to wildfire smoke as fires burn through homes and vehicles. The fires in January 2025 have burned thousands of structures, along with the building materials, furniture, paints, plastics and electronics inside them.

When materials like these burn, they can release toxic chemicals with the potential to harm people breathing the air downwind.

A 2023 study of smoke from fires in the wildland-urban interface – areas where urban neighborhoods bleed into the wildlands – found it contained a vast array of chemicals harmful to humans, including hydrogen chloride, polycyclic aromatic hydrocarbons, dioxins and a range of toxic organic compounds, including known carcinogens such as benzene, as well as toluene, xylenes, styrene and formaldehyde. The researchers also found metals in the smoke, including lead, chromium, cadmium and arsenic, which are known to affect several body systems, such as the brain, liver, kidney, skin and lungs.

The short-term effects of exposure to smoke like this can trigger asthma attacks and cause lung and cardiac problems.

But smoke can also have long-term effects, and those are less well understood. As an environmental toxicologist who focuses on wildfire smoke health effects, I, along with many of my colleagues, am increasingly concerned about the impact of long-term and repeated exposures to wildfire smoke that more people are now facing.

Long-term smoke exposure is increasing

Nationwide, the acreage burned in wildfires in the U.S. has nearly doubled each decade since 1990. That is changing how people are exposed to wildfire smoke.

Communities have found themselves blanketed in smoke for days and weeks at a time increasingly often. In 2023, massive wildfires in Canada repeatedly spread thick smoke into many U.S. communities. Controlled burns, which firefighters set to clear away flammable brush and reduce the severity of future wildfires, also add smoke to the air.

Wildfire smoke is now the leading source of PM2.5 – microscopic particulate matter than can penetrate into the lungs – in the western U.S.

This growing exposure increases the need to understand the long-term consequences of living and working in wildfire-risk areas.

Dose, duration and frequency matter

When scientists study the health risks of wildfire smoke, they tend to use analysis methods that were developed to assess health effects caused by low-level, chronic, urban air pollution exposures – picture car exhaust or smokestack emissions. However, these approaches fail to capture the dynamic and intense nature of wildfire smoke.

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Researchers suspect there are differing consequences for people exposed to smoke at varying intensities and durations. Repeated exposure to wildfire smoke may also have compounding health effects over time.

A chart shows concentrations of PM2.5 with spikes during wildfires.
Comparing concentrations of PM2.5 among fire locations shows how dynamic wildfire smoke can be, and how exposures differ by intensity and time. The spikes reflect nearby wildfires. New Albany, Ohio, shows a typical baseline level without fires. Jason D. Sacks, et al., 2025

To study the long-term impact of wildfire smoke, scientists need to know how much smoke people were exposed to, for how long and how often. That’s not an experiment anyone can conduct on humans in a lab, but the data can be gathered from communities being affected by wildfires.

Right now, however, this kind of data collection is rare.

Most studies that have explored long-term exposure, such as its impact on dementia or pregnancy, have used an average exposure over years rather than detailed data on exposures.

A few have focused on specific events. For example, a study of residents who had been exposed to six weeks of smoke during the 2017 Rice Ridge Fire near Seeley Lake, Montana, found their lung function was significantly reduced for at least two years after the fire. That was a forest fire, and while burning vegetation is bad, it’s generally thought to be less toxic than burning buildings.

Thinking differently about smoke exposure

Improving understanding of the long-term effects of wildfire smoke will require thinking differently about smoke.

If epidemiologists can begin clearly defining the negative health effects from wildfire smoke exposure in terms of dose, duration and frequency in their studies, taking into account the dynamic and episodic nature, then toxicologists can model these human experiences in animal experiments.

These experiments would have the potential to improve the understanding of the long-term health risks and then help scientists develop effective guidelines and strategies to mitigate harmful exposures.

Luke Montrose, Assistant Professor of Environmental and Radiological Health Sciences, Colorado State University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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health and wellness

4 Tips to Maximize Nutritional Goals While On a GLP-1

GLP-1 medications for weight loss have gained popularity, with new research emphasizing the importance of nutrition and lifestyle. Prioritizing protein and fiber can combat common side effects like nausea and constipation, while staying hydrated and eating smaller meals enhances tolerance. Adopting these habits may improve weight loss results for GLP-1 users.

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(Feature Impact) The first GLP-1 (Glucagon-Like Peptide-1) medication was approved for weight loss use more than a decade ago with new more effective versions being approved by the FDA over the past few years. As the use of these medications continues to rise, new research highlights the important role nutrition and lifestyle habits can play in supporting muscle, metabolism and long-term weight loss when using the medication.

Whether you’re new to GLP‑1s or navigating the next phase of your journey, small nutrition shifts powered by protein, fiber and hydration can help you feel strong, confident and supported.

Common side effects experienced by GLP-1 users are often digestive and include nausea, constipation, stomach pain, bloating and more. A pilot clinical trial by Atkins suggests pairing GLP‑1 use with targeted macronutrients, especially protein and fiber, may support healthier body composition and a lower-carb diet with higher protein and fiber intake is well tolerated.

Feast On Fiber
Digestive slow‑downs, including constipation, are among the most common GLP‑1 side effects. Prioritizing fiber not only helps food move comfortably through the body, it supports your gut health and steady energy. Many fibers are prebiotics, meaning they promote the growth of beneficial gut bacteria. Prioritize foods like apples, melon, berries, cruciferous vegetables and leafy greens to boost fiber intake.

Prioritize Protein
When your appetite changes, structure helps. Anchoring your day with reliable protein sources helps make nutrition easy. Prioritizing protein may help prevent lean muscle loss, and nutrient dense protein sources can help you get enough essential nutrients to support overall health. Supporting a protein- and fiber-rich diet can start with a solution like Atkins High Protein Shakes, which are packed with 30 grams of protein and 7 grams of prebiotic fiber and provide more than 20 essential vitamins and minerals.

Designed to be an ally for your nutritional goals, they’re gluten-free, low-glycemic and keto-friendly with 3 grams of net carbs and 1 gram of sugar per serving. Experts recommend making sure you’re consuming enough protein to help limit lean muscle loss when using a GLP-1 to lose weight.

Hydrate to Help Prevent Side Effects
GLP-1 users in particular are encouraged to prioritize fluids. Staying hydrated can help with both constipation and nausea, two common side effects. Drinking water helps support kidney and liver function, which are vital for weight loss and overall health. Adequate fluids help food move through your body, combat fatigue and replenish losses from potential nausea or constipation, preventing complications and improving tolerance to GLP-1s.

Eat Small, Frequent Meals
Large meals can feel uncomfortable when digestion slows. Instead, focus on smaller, more frequent eating moments that give your body a steady supply of nutrients without overwhelming your system.

For an easy, GLP‑1‑friendly option, try Atkins High Protein Bars, which are high in protein and fiber while minimizing net carbs. Available in flavors like Cookie Fusion, Chocolate Peanut Butter and Brownie Delight, they’re a satisfying way to stay fueled between meals and a simple solution when appetite cues are muted. The snacks are designed to take the guesswork out of choosing high‑protein, low‑carb options that support your goals.

Living well on a GLP‑1 is about support, confidence and clarity. Consuming adequate amounts of protein and fiber, staying hydrated and maintaining daily structure can help you feel energized and empowered every step of the way. By following nutritional guidelines and making mindful lifestyle choices, GLP-1 users can experience better outcomes on their weight loss journeys.

To explore products that prioritize protein and fiber that can be a part of anyone’s daily diet, visit Atkins.com.

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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.


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Family

Empowering Seniors for Safer Online Experiences: 6 Practical Safety Tips for Caregivers and Families

Safety Tips for Caregivers: Empower seniors with essential online safety tips. Learn 6 practical strategies caregivers can use to help older adults navigate digital threats, scams, and security risks confidently.

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Last Updated on February 14, 2026 by Daily News Staff

Empowering Seniors for Safer Online Experiences: 6 Practical Safety Tips for Caregivers and Families

Empowering Seniors for Safer Online Experiences: 6 Practical Safety Tips for Caregivers and Families

(Family Features) Today’s seniors aren’t shying away from a world that has become increasingly reliant on technology. Quite the opposite, in fact, as recent survey findings suggest adults ages 65 and older are more digitally active and self-assured than ever before. Nearly all seniors surveyed as part of the “Connecting the Digital Dots: Online Habits and Safety Concerns Across Three Generations” survey from Cox Mobile consider themselves digitally literate, using devices for shopping, banking, social media and entertainment. With older adults spending a significant amount of time connected to the digital world – 41% of those surveyed reported spending five or more hours online daily – they’re also more at-risk for scams, viruses like malware and data breaches. Even though 61% of seniors who encountered digital threats were able to mitigate the issues themselves, showing their growing digital capability, increased online engagement brings new challenges and responsibilities for caregivers, who often play a crucial role in supporting seniors’ digital journeys. To help support older loved ones’ safety and confidence as they navigate an evolving digital landscape, Cox Mobile, in partnership with Common Sense Media, offers educational materials on digital safety, smart device use and media literacy for all ages. In addition, these practical safety strategies can help empower seniors to make informed, safe choices online. Encourage Strong Passwords: Simple passwords, like number sequences, keyboard patterns or personal information – such as variations of your name, birthdate, address or names of pets or loved ones – are easily guessable and may lead to issues. While the survey found 70% of seniors already create strong, unique passwords, encourage them to avoid reusing passwords across sites. Recommend a password manager app to safely store passwords and eliminate the need to write them all down, which could lead to a breach if not stored properly. 17746 detail embed2Promote Security Software: If devices aren’t protected, even the most careful users are susceptible to viruses. Though 63% of those surveyed have security software installed, it’s important to regularly make sure it’s up to date (or that automatic updates are enabled) and covers all devices, including laptops, tablets and smartphones. Enable Multi-Factor Authentication: A simple and effective way to stop most attempts at unauthorized account access, 60% of seniors are already using multi-factor authentication as an extra layer of protection. Some seniors, however, may need assistance setting up the safeguard, which typically sends a code to a phone number or email address as part of the login process, for online banking, email or social media accounts. Review Apps and Channels: Over time, it can be easy to accumulate apps on smartphones and tablets. While 51% of surveyed seniors remove unsafe apps, make it a habit to regularly check loved ones’ devices for unfamiliar or suspicious applications and delete them. Also keep an eye out for unauthorized charges, data sharing or browser extensions. Utilize Built-In Safety Features: Explore privacy controls on individual devices (and apps) and check with your loved ones’ internet service provider to ensure security features are being utilized like the 43% of those surveyed who are already taking advantage of their devices’ safety settings. Included privacy protections may include limiting data sharing, disabling location tracking, blocking pop-ups and restricting other unwanted communication. Discuss Online Safety Regularly: Because technology is ever-changing, it’s important for caregivers to talk with senior loved ones about online safety. Open, ongoing conversations, like those one-third of seniors are already having several times a week or even daily, can help build trust and awareness of current scams, suspicious texts or emails, commonly used apps and more. By fostering open dialogue, sharing practical safety strategies and leveraging trusted resources, caregivers can help their loved ones thrive and stay safe. Visit your local Cox Mobile store or go to CoxMobileSafety.com to find more tips, guides and full survey results. collect?v=1&tid=UA 482330 7&cid=1955551e 1975 5e52 0cdb 8516071094cd&sc=start&t=pageview&dl=http%3A%2F%2Ftrack.familyfeatures SOURCE: Cox Communications

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love and romance

Love Your Space: 4 Valentine’s Day Home Decor Ideas

Valentine’s Day offers an opportunity to enhance home decor with love-themed touches. Key ideas include using a classic red and pink palette, incorporating soft lighting and inviting textures, adding fresh flowers and heartfelt accents, and personalizing decor with meaningful items. Each element contributes to a romantic and welcoming atmosphere.

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Last Updated on February 14, 2026 by Daily News Staff

Love Your Space: 4 Valentine's Day Home Decor Ideas

Love Your Space: 4 Valentine’s Day Home Decor Ideas

(Family Features) From planning a romantic night in with your significant other to hosting friends for Galentine’s Day, Valentine’s Day is a perfect opportunity to fill your home with love and heartfelt style.

Whether you add subtle accents or bold pops of color, decorating for the season of love is about adding intentional touches that make your spaces feel special.

1. Choose a Valentine’s Palette
The classic red and pink motif is a perfect starting point. A few heart-shaped throw pillows, blush pink accessories or a rich red accent blanket can capture the spirit without overwhelming. If bold colors don’t match your current design style, ground them with neutrals like soft whites, creams or grays to create a romantic look that feels intentional and cohesive.

2. Set the Mood with Lighting and Texture
Soft lighting – think string lights draped along a mantel, clusters of warm-hued candles or a table lamp with a rosy glow – can make rooms feel cozier, as can layering sensual textures like velvet pillows, knit throws and lace or crochet accents. These elements feel inviting and chic, creating a relaxed, intimate ambience perfect for a celebratory evening at home.

3. Fresh Florals and Heartfelt Accents
A timeless Valentine’s Day tradition, fresh flowers can bring life, color and fragrance to any room. A vase of red roses, pink tulips or mixed seasonal blooms can serve as a centerpiece on your dining room table or entry console. For an added seasonal touch, consider heart-shaped garlands or DIY paper hearts on shelves, mirrors or around picture frames.

4. Personalize With Love
Much like heart-warming gifts, the most meaningful decor often has a personal story. Frame a favorite photo, display a handwritten love note or incorporate a treasured keepsake into your Valentine’s arrangement to make your space feel uniquely yours.

For more ideas to celebrate love every time you walk through the door, visit eLivingtoday.com.

Photo courtesy of Shutterstock

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