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Warmer temps bring soaring tick populations – here’s how to stay safe from Lyme disease

Tick bites are rising in 2026. Learn where Lyme disease is spreading, early symptoms like the bull’s-eye rash, treatment options, and practical ways to prevent tick bites.

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Last Updated on June 6, 2026 by Daily News Staff

file 20260428 85 68li0w.jpg?ixlib=rb 4.1
Exposure to ticks can be a downside to spending time in the woods. skaman306/Moment via Getty Images

Lakshmi Chauhan, University of Colorado Anschutz

Spring’s warmer weather lures people outdoors – and into possible contact with ticks that spread Lyme disease.

Already, the 2026 tick season is booming. On April 23, the Centers for Disease Control and Prevention warned that emergency room visits due to tick bites are at their highest level since 2017. That may portend an especially severe season for Lyme disease and other tick-borne illnesses.

State health departments reported more than 89,000 cases of Lyme disease in 2023, the last year for which data is available. But public health experts believe that close to 500,000 people in the U.S. get Lyme disease every year.

As an infectious disease doctor with experience treating some of this infection’s long-term outcomes, I know that Lyme disease can be tricky because people often don’t notice tick bites and may overlook early symptoms of an infection. But left untreated, the infection can cause serious lingering – and even permanent – health issues.

Here’s what you need to know about Lyme disease to stay safe this season:

What causes Lyme disease?

Lyme disease, named after the Connecticut town where the disease was first identified in 1975, is caused by a group of bacteria called Borrelia – most often, the species Borrelia burgdorferi.

Deer ticks – also called black-legged ticks, and members of a group called Ixodes – transmit the disease after feeding on an infected animal, usually a bird, mouse or deer. When they then bite a person, they can transmit the bacteria into the person’s bloodstream.
Usually, the tick must attach for 24-48 hours to transmit the bacteria causing Lyme disease.

Where and when does Lyme disease occur?

Lyme disease can occur in most regions where deer ticks live.

These ticks are most active in late spring, summer and fall – usually April to November in most regions. They emerge when the temperature is above freezing. In years when winter is shorter, ticks can emerge earlier. And they may be active year-round in regions where freezing temperatures are rare.

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Approximately 90% of U.S. cases are reported from states in the Northeast, mid-Atlantic from Virginia to eastern Canada, and Upper Midwest regions including Wisconsin, Michigan and Minnesota. A few cases occasionally pop up in California, Oregon and Washington.

Map of the U.S. showing lots of Lyme disease incidence in the Northeast and in Upper Midwest states, plus a smattering elsewhere in the country
Northeast and Upper Midwest states have the highest incidence of Lyme disease, according to the Centers for Disease Control and Prevention in 2023. Centers for Disease Control and Prevention

Since 1995, the incidence of Lyme disease in the U.S. has almost doubled.

Warmer weather and changes in rainfall patterns now allow ticks to survive in new regions of the country – and for longer periods. But even in regions where ticks lived before, Lyme disease has become more common due to increases in deer populations. As woodland areas are increasingly being developed, it may be bringing the habitat of deer and mice closer to people, increasing the risk of transmission.

Lyme disease symptoms to watch for

Early symptoms of Lyme disease – fever, muscle aches and fatigue – generally emerge within three to 30 days after a tick bite. Another classic symptom in the first month is a target or bull’s eye rash at the site of tick bite, which occurs in about 70% to 80% of cases.

Other rashes following a tick bite can also occur. Some may be due to irritation from the bite, and not necessarily an infection.

If you know you’ve had a tick bite and experience flu-like symptoms – or if you see a bull’s-eye rash, whether you know you were bitten or not – it’s important to check with your healthcare provider about whether you should be treated with antibiotics.

A blood test for antibodies can help confirm the infection, but it can sometimes yield a false negative result, particularly in the first couple of weeks of the disease.

Deer ticks at four stages of development, from larva to adult
In the larval stage, deer ticks can be tiny – and difficult to spot on your body. Centers for Disease Control and Prevention

In most people, the rash goes away on its own. However, treatment may shorten its duration and is important for preventing other symptoms. A two- to four-week course of antibiotics can generally treat Lyme disease. Severe cases might require intravenous antibiotics.

A promising new vaccine for Lyme disease is currently being tested. In March 2026, Pfizer, the pharmaceutical company developing it, announced that in a late-stage study, the vaccine prevented the disease in 70% of people who received it.

Later Lyme symptoms

If left untreated, the bacteria that causes Lyme can spread, potentially causing longer-term symptoms. About 60% of people who get Lyme disease and don’t treat it can develop arthritis.

In rare cases, Lyme disease can also affect the heart and the nervous system. Inflammation in the brain or the tissues surrounding it, called meninges, can cause headaches and neck pain, as well as balance issues and memory and behavior changes. It can also cause nerve damage that results in numbness, tingling and muscle weakness.

These symptoms can appear right away or much later – sometimes months to years after infection. And in cases where the disease wasn’t promptly treated, late-stage symptoms can linger even after antibiotics kill the bacteria.

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Scientists don’t fully understand why, but one intriguing study found that some particles from the bacteria’s cell wall leak into the joints and can persist after treatment, spurring ongoing inflammation and arthritis symptoms.

Another reason for Lyme’s long-term effects is that it can trigger autoimmune disease, which is when the immune system attacks its own cells. What’s more, because the nervous system may be particularly sensitive to damage caused by the bacteria and related inflammation, it may take an especially long time to heal. In some situations, the damage could be permanent.

Preventing Lyme disease

Until a vaccine becomes available, there are steps you and your family can take to help protect against Lyme disease:

  • Use tick and insect repellents such as DEET and picaridin, which can be applied to skin, and permethrin, which is sprayed onto clothing, to keep ticks at bay. Treating clothing with permethrin may be especially beneficial, since the substance withstands several washes.
  • Wear long-sleeve shirts and pants while you are gardening, hiking or walking through grass or woods to prevent tick bites. Wearing light-colored clothes makes ticks more visible, and tucking your pants into your socks can also prevent the little buggers from traveling from your pants, shoes and socks onto your legs.
  • Remove your outdoor clothes immediately. Washing and drying clothes at high temperature can help kill any ticks that managed to hitch a ride. And a quick shower immediately after spending time outdoors can wash ticks off the skin before they have a chance to attach.
  • If you spend time outdoors, perform daily tick checks, paying special attention to warm areas like your armpits, neck, ears and underwear line. If you find a tick attached, pull it off with tweezers, holding them perpendicular to the skin.
  • If you find a tick that may have been on the skin for more than 36 hours, ask your healthcare provider whether a dose of preventive antibiotics – generally given within 72 hours of the bite – would be appropriate.

Lakshmi Chauhan, Associate Professor of Infectious Disease Medicine, University of Colorado Anschutz

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

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health and wellness

Heat waves can leave homes dangerously hot – even for young, healthy adults

Heat waves can turn homes into dangerous heat traps—especially during blackouts or in houses without AC—pushing indoor temperatures and humidity into lethal territory even for young, healthy adults, not just the elderly.

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A family sits outside in the shade on a hot day. Heat waves.
When temperature soar inside homes, being outside even on very hot days can feel less uncomfortable than being indoors. Brandon Bell/Getty Images

Heat waves can leave homes dangerously hot – even for young, healthy adults

Zoltan Nagy, Eindhoven University of Technology

Most people know that heat waves can be dangerous, but what they may not realize is that the heat indoors can be much worse than outdoors.

When the power goes out and air conditioning stops, or in homes without cooling, a house starts to function like a greenhouse during a heat wave. Heat enters through windows and walls and has nowhere to go. Air stagnates.

Within hours, indoor temperatures can climb well above what the thermometer shows outside, especially on upper floors and in rooms with south-facing windows. Over longer periods, especially if temperatures don’t cool off overnight, conditions can become lethal.

Most heat-related deaths occur indoors. When a heat dome sent temperatures soaring in the Pacific Northwest in 2021, 98% of the more than 600 deaths in British Columbia happened inside homes. Washington and Oregon also saw high numbers of deaths in homes that lacked air conditioning.

In Europe, where only 1 in 10 households have air conditioning, heat waves killed an estimated 60,000 people in 2022 and 47,000 in 2023, largely inside buildings never designed for these temperatures.

Heat waves can turn homes dangerously hot, leaving not just the elderly at risk, but also younger, healthy adults as well.

People of all ages are at risk in heat waves like these. I spent eight years at the University of Texas at Austin studying how buildings respond to extreme heat. In a recent study, my team assessed the heat risk in every single-family home in Austin.

We found that even younger, healthy adults face far more risk than they realize.

How hot is too hot for a human body?

Your body maintains a core temperature of about 98.6 degrees Fahrenheit (37 degrees Celsius). To cool down, it pushes blood to the skin and sweats. But when air temperature is high, that convective cooling weakens. When humidity is also high, sweat cannot evaporate.

If the body has no way to release heat, core temperature rises. If the core temperature increases past about 104 F (40 C), the body’s thermoregulation starts to fail. Past 109 F (42.8 C), death becomes likely.

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Four charts show heat and humidity risks for different ages and indoors vs outdoors.
Heat risk increases with humidity. This chart translates air temperature and relative humidity into general limits of survivability for six hours of exposure depending on whether a person is indoors or outdoors and their age. The black line is considered the edge of survivability. Zones 3-5 are considered not survivable for extended periods of time due to high humidity that prevents sweat from evaporating to release heat (Zone 3), limits on the body’s ability to sweat (Zone 4), or both (Zone 5). Tw is wet bulb temperature. A temperature of 35 C = 95 F; 50 C = 122 F. Jennifer Vanos, et al., 2023

What makes indoor heat especially dangerous is that it does not let up at night in homes that lack air conditioning. Outdoor temperatures typically drop after sunset, and someone outside can get a few hours of recovery. But a poorly insulated home that has been absorbing heat all day releases that heat slowly, keeping indoor temperatures elevated through the night. A person inside the home never gets a break.

After two or three nights of this, even healthy people start to be at serious risk for heat-related illnesses.

Why homes heat up more than people expect

People tend to underestimate indoor heat for a few reasons.

One is that the thermostat typically sits on one wall in one room. It does not tell what the temperature is in an upstairs bedroom or near a sun-facing window. In older, underinsulated homes, the actual felt temperature can exceed 90 F (32.2 C) even when a thermostat reads 75 F (23.9 C). The hot walls, ceilings and windows can radiate heat directly onto your body.

Another reason is that people assume all homes respond to heat the same way. However, a newer home with double-pane windows and good insulation acts like a thermos, keeping heat out for a longer time. An older home with single-pane windows and cracks in the walls heats up fast.

An illustration of a person sitting with their head in their hand in an older home with the ceiling temperature at 101 F, the windows 122 F and the walls and floor in the 90s F.
An illustration of how an older home in Arizona heats up on a hot day shows how underinsulated homes can feel much hotter inside than the air temperature and thermostat suggest. Jonathan Bean, CC BY-ND

Two houses on the same street, exposed to the same outdoor conditions, can have completely different temperatures inside. And in a blackout, where neither home has cooling, those differences can become a matter of life and death.

What we found in Austin

Our study combined two datasets. From Austin’s tax appraisal records, we pulled basic property information, such as the year the home was built, the size and the number of stories for each of the city’s 213,000 single-family homes. We then matched each home to the most similar energy simulation models in a U.S. Department of Energy database that contains thousands of detailed, physics-based building energy models representing the U.S. residential building stock.

Using those models, we simulated each building’s indoor temperatures over time during a three-day heat wave and power outage with outdoor temperatures above 110 F (43 C).

A map of homes in a neighborhood shows how low and high risk homes are mixed together
The average daily heat risk in a suburban Austin neighborhood, with dark red signifying higher risk and yellow lower risk, shows how risk can vary house to house. Calvin Lin

We found that 85% of homes got hot enough to pose a significant risk of death for an elderly occupant. But what surprised us was the risk to younger people.

Under today’s climate conditions in Austin, about 15% of homes already have the potential to get hot enough without air conditioning to pose serious heat risks to healthy adults. Under future warming scenarios, that number jumps to as high as 65% if average summer highs reach 104 F (40 C). Further, climate projections for Austin show that heat waves will double in frequency by the end of the century.

We found three types of buildings and accompanying risks:

  • Resilient homes, which are newer and well insulated, tended to have temperature and humidity conditions that would be survivable for an elderly occupant throughout the simulated heat wave with blackout.
  • Critical-risk buildings, which are mostly older homes, became dangerous almost immediately.
  • And then there was the middle group – homes where temperatures rose slowly during the simulated blackout, day by day, possibly giving occupants a false sense of security until it was too late.

Texas has already seen conditions like our case study’s – a heat wave paired with a power outage. In 2024, a derecho knocked out power for nearly 900,000 Houston households while the heat index climbed to 100 F (37.8 C). Seven weeks later, Hurricane Beryl cut power to 2.6 million homes, leaving them without power for over three days, with temperatures over 90 F (32.2 C).

What you can do to stay safe

If you can’t get cooling at home, there are steps you can take that can help.

Move to the lowest floor of your home, where it will be coolest. Close the blinds and curtains on sun-facing windows. Drink water constantly to stay hydrated, which is essential for regulating body temperature.

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If you’re facing a blackout, be sure to also check on elderly neighbors, especially those living alone. You can also try to find a public cooling center; many cities now open them during heat emergencies.

Longer term, upgrades such as reflective window film, attic insulation and lighter-colored roofing can reduce how much a home heats up. After the 2021 heat dome, British Columbia’s coroner recommended updating building codes to address heat.

Our own findings point in the same direction: We propose that new homes should be required by building codes to maintain conditions in which at least light physical activity remains possible for all occupants for at least 72 hours during a power outage.

As summers get hotter with climate change and blackouts become more frequent, the risks of people suffering heat illnesses will only continue to rise.

Zoltan Nagy, Professor of Building Services, Eindhoven University of Technology

Heat waves can leave homes dangerously hot – even for young, healthy adults

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

💪 Your health journey starts here! Explore the latest health news, fitness tips, wellness trends, and healthy living advice. Share your thoughts in the comments and subscribe to the STM Daily News newsletter to stay informed and inspired every day.

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laundry and cleaning

Flush Smart: 7 Tips for Good Bathroom Etiquette

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Flush Smart: 7 Tips for Good Bathroom Etiquette

(Feature Impact) Relationships and plumbing have something in common: they can both benefit from practicing smarter bathroom habits. Whether you’re sharing a household with your family, a partner or roommates, good etiquette in these frequently shared spaces can save everyone’s sanity – just like rethinking your flushing routines can save your pipes.

From simple annoyances like leaving the toilet seat up to potentially costly mistakes like clogging your plumbing by flushing the wrong items, a new survey from the Responsible Flushing Alliance (RFA) illuminated a variety of bad habits that cause the most tension in American homes.

In addition to shedding light on these problems, the alliance outlined solutions you can implement at home to restore peace in your restroom. Plus, you can gamify the habit changes to make them more entertaining.

“Our goal is to revolutionize public education by keeping it highly engaging, memorable and fun,” RFA President Lara Wyss said. “We are challenging the public to rethink their everyday habits.”

Get started with these seven tips:

17989 detail embed2Replace the toilet roll properly

Don’t be the reason someone gets stranded with nothing but a cardboard tube in their moment of need. Keep extra rolls nearby, and when you’re down to the last square of toilet paper, make it a race against the clock to replace it.

Use the (flush) force

An unflushed toilet was listed as the biggest bathroom pet peeve by 37% of survey respondents. To make it fun for the family, introduce a new tradition: before you leave the bathroom, pretend there’s an invisible force field pushing you back to make sure you’ve flushed and are good to go.

Hunt for sink and shower hair

Leaving hair in the drain isn’t just a source of potential plumbing clogs – it’s also an irritant for 35% of respondents. After you shower or style your hair, make it a game to see how many stray strands you can capture and deliver to the trash can.

Clean it and close it

You’ve probably heard jokes about people who leave the toilet seat up, so don’t make yourself the punchline. For a completely un-mockable routine, grab the brush to give the bowl a quick swish after you flush, ensure the seat is down and use an anti-bacterial wipe to leave everything sparkling. You’ll notice cleaning wipes bear the Do Not Flush symbol, which means they go in the trash and never the toilet.

Conquer the counter

Toothpaste and water often splatter all over the place, so to be a polite bathroom roommate, wipe up the mess before it’s even had a chance to dry. Keep cleaning wipes or rags within easy reach and give yourself a 10-second deadline to leave surfaces spotless.

17989 detail embed3Practice good towel etiquette

Wet towels don’t belong on bathroom floors. If they still have a use or two left in them, banish them back to your towel rack. Otherwise, challenge yourself to a game of laundry basketball, aiming for the hamper.

Don’t flush the un-flushable

According to an RFA survey, half of Americans are still flushing things they know they shouldn’t, like paper towels, feminine hygiene products and non-flushable wipes. Since clearing a clog in your home can cost anywhere from $300-$15,000 or more, the only thing you’ll be draining with habits like these is your wallet.

“Always check wet wipes for the Do Not Flushsymbol and disposal instructions, which helps us protect not only the health of our homes and environment but our relationships, too,” Wyss said.

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Visit FlushSmart.org to learn more about good bathroom etiquette, take an interactive quiz and put these tips into practice with a seven-day challenge.

Photo courtesy of Shutterstock (throwing away non-flushable wipe) collect?v=1&tid=UA 482330 7&cid=1955551e 1975 5e52 0cdb 8516071094cd&sc=start&t=pageview&dl=http%3A%2F%2Ftrack.familyfeatures track

  

SOURCE:

Responsible Flushing Alliance

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Lifestyle

Social media before bedtime wreaks havoc on our sleep − a sleep researcher explains why screens alone aren’t the main culprit

Social Media Before Bedtime? A sleep researcher explains why late-night social media disrupts sleep less because of screens and blue light, and more because of emotional engagement—doomscrolling, social comparison, habitual checking and FOMO—that keeps the brain aroused and delays rest.

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Side view of a woman staring at her phone in the dark. Social Media Before Bedtime.
Social media use before bedtime can be stimulating in ways that screen time alone is not. Adam Hester/Tetra Images via Getty Images

Brian N. Chin, Trinity College

“Avoid screens before bed” is one of the most common pieces of sleep advice. But what if the real problem isn’t screen time − it’s the way we use social media at night?

Sleep deprivation is one of the most widespread yet overlooked public health issues, especially among young adults and adolescents.

Despite needing eight to 10 hours of sleep, most adolescents fall short, while nearly two-thirds of young adults regularly get less than the recommended seven to nine hours.

Poor sleep isn’t just about feeling tired − it’s linked to worsened mental health, emotion regulation, memory, academic performance and even increased risk for chronic illness and early mortality.

At the same time, social media is nearly universal among young adults, with 84% using at least one platform daily. While research has long focused on screen time as the culprit for poor sleep, growing evidence suggests that how often people check social media − and how emotionally engaged they are − matters even more than how long they spend online.

As a social psychologist and sleep researcher, I study how social behaviors, including social media habits, affect sleep and well-being. Sleep isn’t just an individual behavior; it’s shaped by our social environments and relationships.

And one of the most common yet underestimated factors shaping modern sleep? How we engage with social media before bed.

Emotional investment in social media

Beyond simply measuring time spent on social media, researchers have started looking at how emotionally connected people feel to their social media use.

Some studies suggest that the way people emotionally engage with social media may have a greater impact on sleep quality than the total time they spend online.

In a 2024 study of 830 young adults, my colleagues and I examined how different types of social media engagement predicted sleep problems. We found that frequent social media visits and emotional investment were stronger predictors of poor sleep than total screen time. Additionally, presleep cognitive arousal and social comparison played a key role in linking social media engagement to sleep disruption, suggesting that social media’s effects on sleep extend beyond simple screen exposure.

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I believe these findings suggest that cutting screen time alone may not be enough − reducing how often people check social media and how emotionally connected they feel to it may be more effective in promoting healthier sleep habits.

How social media disrupts sleep

If you’ve ever struggled to fall asleep after scrolling through social media, it’s not just the screen keeping you awake. While blue light can delay melatonin production, my team’s research and that of others suggests that the way people interact with social media may play an even bigger role in sleep disruption.

Here are some of the biggest ways social media interferes with your sleep:

  • Presleep arousal: Doomscrolling and emotionally charged content on social media keeps your brain in a state of heightened alertness, making it harder to relax and fall asleep. Whether it’s political debates, distressing news or even exciting personal updates, emotionally stimulating content can trigger increased cognitive and physiological arousal that delays sleep onset.
  • Social comparison: Viewing idealized social media posts before bed can lead to upward social comparison, increasing stress and making it harder to sleep. People tend to compare themselves to highly curated versions of others’ lives − vacations, fitness progress, career milestones − which can lead to feelings of inadequacy and anxiety that disrupt sleep.
  • Habitual checking: Social media use after lights out is a strong predictor of poor sleep, as checking notifications and scrolling before bed can quickly become an automatic habit. Studies have shown that nighttime-specific social media use, especially after lights are out, is linked to shorter sleep duration, later bedtimes and lower sleep quality. This pattern reflects bedtime procrastination, where people delay sleep despite knowing it would be better for their health and well-being.
  • Fear of missing out, or FOMO: The urge to stay connected also keeps many people scrolling long past their intended bedtime, making sleep feel secondary to staying updated. Research shows that higher FOMO levels are linked to more frequent nighttime social media use and poorer sleep quality. The anticipation of new messages, posts or updates can create a sense of social pressure to stay online and reinforce the habit of delaying sleep.

Taken together, these factors make social media more than just a passive distraction − it becomes an active barrier to restful sleep. In other words, that late-night scroll isn’t harmless − it’s quietly rewiring your sleep and well-being.

How to use social media without sleep disruption

You don’t need to quit social media, but restructuring how you engage with it at night could help. Research suggests that small behavioral changes to your bedtime routine can make a significant difference in sleep quality. I suggest trying these practical, evidence-backed strategies for improving your sleep:

  • Give your brain time to wind down: Avoid emotionally charged content 30 to 60 minutes before bed to help your mind relax and prepare for sleep.
  • Create separation between social media and sleep: Set your phone to “Do Not Disturb” or leave it outside the bedroom to avoid the temptation of late-night checking.
  • Reduce mindless scrolling: If you catch yourself endlessly refreshing, take a small, mindful pause and ask yourself: “Do I actually want to be on this app right now?”

A brief moment of awareness can help break the habit loop.

Brian N. Chin, Assistant Professor of Psychology, Trinity College

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

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