Picture Gigi, having a chat with her boss, when the meeting takes a sharp turn. Gigi’s boss tells her that her work has been lacking recently and that maybe she needs to stay late a couple of evenings to make it up. Surprised by her boss’s remarks, she feels the rumblings of anxiety rising in her mind and body. Psychology research suggests that Gigi feels anxious because she interpreted her boss’s remarks as something threatening that perhaps she can’t handle.

Just as Gigi starts frantically looking online for new jobs, she spies the “employee of the month” plaque on her desk from last year. She thinks to herself that maybe she can get back to her old form. She has changed her initial view of the situation (need to run away from a threat) to a new one (let’s rise to the challenge), causing her anxiety to subside. Psychologists call this process reappraisal.

Studies show that reappraising emotional situations is a powerful way to change how you feel. When you find the silver linings in bad situations or give others and yourself the benefit of the doubt, it can help you feel better.

I’m a psychology researcher who’s interested in how people change their emotions. Gigi may feel a little less anxious in the moment, but does she truly believe that she can make up the work on time and regain her former glory? My colleagues and I set out to investigate whether it’s possible to start the process of reappraisal without going all the way through with it. Are people getting the full benefit from trying to think differently about their emotions?

Reappraisal has multiple steps

When my colleague Kateri McRae and I first started thinking about what it means to fully reappraise emotional experiences, we were struck by something we saw in the emotion regulation research. Almost all of the studies treated reappraisal as a one-step process. Researchers would ask participants to “reappraise this to make yourself feel better” and then measure the effects.

Man with downcast eyes sits with elbows on knees and fists to temples
Intentionally finding a new way to think about how you’re feeling can help you start changing your emotions. Maskot via Getty Images

However, theories about how people regulate their emotions suggest that, like any effortful psychological process, reappraisal involves multiple steps.

When you want to change how you’re feeling, you first generate a reappraisal. You bend and stretch your mind to come up with some alternative way to look at the situation. For Gigi, seeing the employee of the month plaque helped. She could have also thought of her boss’s previous compliments or how it felt to get projects done early.

After you generate a reappraisal, it might seem like you’re done, but you’re not. That alternative interpretation is fragile and must compete with your original take that’s driving your emotion. Somehow you need to strengthen that reappraisal so it can stick.

We call this implementation – when you focus and elaborate on that reappraisal to really change your mind about the situation. For Gigi, she may continue to think about all the ways that she can be a great employee so that it lodges firmly in her mind and makes her anxiety truly disappear.

We tested this idea in a study. We showed 89 undergraduate participants images of negative situations and asked them to first just generate a reappraisal of the image that could help them feel better about it. For example, they might see a picture of a frail man in a hospital bed and tell themselves that the man is getting good treatment and will be better soon. Then, we showed them the image again and asked them to focus and elaborate in their mind on their reappraisal.

Participants felt a little better after generating a reappraisal, but they felt much better after implementing it by focusing and fleshing out the details. In a follow-up study, we showed that these emotional boosts persisted when viewing the images later.

Choosing to commit to feeling better

So we experimentally showed that people reappraise their feelings in two steps. So what? That’s probably what everyone does naturally, anyway, right?

This was the next question we sought to answer. We conducted a study with 52 undergraduate participants like the earlier one, but with a twist. This time, after participants generated a reappraisal, we gave them a choice to continue the reappraisal process by implementing it or to stop the process by distracting themselves.

Participants chose to continue reappraising their emotions only about half the time. Even though reappraisal made participants feel better about the emotional images, there were still many times when they stopped the process prematurely and did not enjoy its full benefits.

Young woman looks out window holding tablet and pen
Successfully reappraising your emotions calls for not giving up on the process too soon. whitebalance.space/E+ via Getty Images

In real life

These studies showing the benefits of fully following through on emotional reappraisals are lab experiments, but they have implications for how people try to help themselves feel better in real life.

First, it’s hard to intentionally change how you think about something, and people tend to dislike continuing to do hard things. Indeed, in our choice study, people opted to give up on reappraising when they weren’t feeling its benefits early on. Knowing this human tendency might give you the best chance of continuing reappraisal even when it doesn’t feel like it’s working or is hard.

Second, people often get reappraisals from others, and it’s tempting to think that hearing a new perspective is all you need. Indeed, we have unpublished data that shows that participants feel pretty good when receiving a reappraisal from someone else about their own situation. But other people cannot change your mind for you. You must do that yourself if you want to truly feel better.

Next time you’re in an unpleasant situation like Gigi’s, don’t just cursorily think that you can rise to the challenge. Really think through the situation and let your new perspective become your only one.

This article originally appeared on The Conversation. You can read it here.

  • We paid college students about $5 a night to sleep at least 7 hours – and their grades quickly improved
    Photo credit: iStock via Getty Images Plus – Half of surveyed college students said they go to bed after 1 a.m., on average.
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    We paid college students about $5 a night to sleep at least 7 hours – and their grades quickly improved

    A university experiment tested whether small, immediate rewards could help students follow through on their intentions to get more rest.

    Paying college students about US$5 a night to sleep seven hours got them a quarter more nights of adequate sleep – and better grades.

    That is what we found in a study we published in July 2026.

    We gave more than 1,100 undergraduates at University of Pittsburgh a Fitbit – a wearable activity tracker that looks similar to a watch – and an app that sent bedtime reminders and morning feedback. We randomly chose 468 students and paid them about $5 for every night they slept at least seven hours, over the course of four weeks. We verified how much they slept using the device they wore.

    The students were about 19 years old, on average, and half of them were first-year students. Roughly 72% of them were women. About 55% were white, 28% Asian, 9% Black and 4% Hispanic.

    Our study shows that offering an immediate financial reward can help students meet a seven-hour sleep goal, and that those effects can persist up to a month beyond when the students are paid.

    Not just a student problem

    About one-third of American adults sleep less than seven hours a night, and a similar share say they wish they slept more. Among adolescents and young adults, roughly two-thirds routinely fall short of getting seven hours of sleep a night – the amount of shut-eye that health authorities recommend.

    One prominent sleep researcher has called sleep deprivation the most prevalent high-risk behavior.

    Short sleep is linked to obesity, diabetes, high blood pressure, heart disease, stroke and early death.

    Irregular sleep predicts mortality risk even more than sleep duration does. Sleep loss shows up in decision-making, even when it comes to issues like whether people vote.

    Students are running on empty

    Before we changed anything, the average student in our study slept 6.6 hours a night.

    Half were going to bed after 1 a.m. on average – a quarter after 2 a.m.

    Students got the recommended seven hours of sleep on a typical weeknight on only 43% of their nights, and more than 85% fell short at least once a week.

    They also did not know how much sleep they were getting. Two-thirds told us they usually slept seven hours – the trackers showed only about one-third of students slept that much on even three nights out of five.

    And 94% said their ideal night of sleep was longer than the one they were getting.

    What the money bought

    The 468 students we offered nightly payments reached seven hours of sleep on 26% more nights than 380 students who were not offered the money. That is a large shift for a group in which fewer than half were hitting the mark to begin with.

    Students receiving the monetary incentive slept 19 more minutes per school night, roughly the difference between closing the laptop at 11:40 p.m. or at midnight.

    Among students receiving the payment incentive, their GPA rose by about 0.08 points that semester – roughly a quarter of the gap between students who arrived with above-average and below-average high school grades.

    Once the payments stopped after four weeks, students who had received the money were still sleeping about eight minutes longer per night for the remaining three to four weeks of the study. The effect was smaller than during our study, but our findings suggest that some of the change in sleep habits persisted for up to a month after the end of the incentive.

    The effects of the intervention on sleep and GPA were largest among first-term freshmen, whose routines are not yet necessarily fixed.

    Rewards work – if they come right away

    Timing mattered too: Delivering the payment as a lump sum at the end of the semester, rather than every morning, produced only about two-thirds of the effect on sleep.

    The effects of the intervention on GPA faded over a couple of academic terms. Grades remained higher in the following semester, but two semesters later we could no longer detect an effect.

    Bedtime reminders and morning feedback on their own – with no money attached – had little effect. Students who received them slept only marginally more. The problem was not motivation: Nearly all said they wanted more sleep than they were getting. The challenge was following through on that intention night after night.

    Investing in sleep

    Our results show that universities should look at how the environment they create fosters or discourages good sleep habits.

    Late evening deadlines to submit assignments and early classes can both make it harder for students to get enough sleep. Changing some of these features costs little compared with many academic support programs, and it may be worth testing alongside other interventions aimed directly at students.

    Reminders and feedback might also work better if they change over time, rather than becoming familiar and easy to tune out.

    Very few universities or students treat sleep as part of an investment in education, or ask whether the schedules and incentives schools create make adequate sleep harder. Our results suggest they should.

    This article originally appeared on The Conversation. You can read it here.

  • Could you survive The Oregon Trail? An emergency medicine doctor offers tips on how to not die in the great outdoors
    You might not die of dysentery on the trail these days, but there is still plenty of danger outdoors. Different_Brian/iStock via Getty Images Plus
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    Could you survive The Oregon Trail? An emergency medicine doctor offers tips on how to not die in the great outdoors

    The old computer game’s hazards still hold lessons for modern hikers, even with smartphones, better medicine and sturdier equipment.

    If you grew up in the United States in the 1980s or ’90s, chances are you remember The Oregon Trail. For many like me, it was our first computer game and our first introduction to wilderness survival. We hunted buffalo, forded rivers, broke wagon wheels and, of course, learned about dysentery years before Google even existed, all while hoping our group would make it to Oregon City alive.

    Lately, the game has found a second life. Nostalgic social media posts, memes and updated versions of the game have introduced The Oregon Trail to a new generation while reminding millennials just how unforgiving that grainy computer screen journey could be.

    As a physician who specializes in emergency and wilderness medicine, I started thinking about how much of what the game taught me about surviving in the wilderness still applies today. After all, modern hikers and campers have access to tools the pioneers could never have imagined.

    Surprisingly, I’d argue that more lessons from The Oregon Trail hold up than you might think.

    Clean water is crucial

    The Oregon Trail game made dysentery famous for an entire generation. Fortunately, advances in sanitation, hand hygiene and antibiotics have made large outbreaks like those that wagon trains and military camps experienced much less common, at least in the United States.

    That doesn’t mean gastrointestinal illnesses have disappeared. Traveler’s diarrhea and cholera are still an important cause of illness around the world. Untreated water, poor hand hygiene and contaminated food can still derail any trip.

    Simple habits such as purifying drinking water, washing hands before meals and after using the bathroom, and practicing good camp hygiene remain some of the easiest ways to stay healthy outdoors.

    Steaming pot of water on small portable stove on top of a plank of wood in a forest
    Boiling is the most reliable way to purify your water. Veronika Lunina/iStock via Getty Images

    Water purification is important with wilderness travel in the United States and in many areas of the world. There are many easy and cost-effective ways to purify water, such as boiling, filtration and treating with chemical disinfectants. Each method has its benefits and downsides.

    Boiling is often the most accessible method. While it can kill bacteria, viruses and parasites, it will not remove water contaminants such as heavy metals, including lead and arsenic, or industrial contamination such as pesticides. Consider boiling your water for at least one to three minutes, depending on your altitude, to purify it. Water filtration is an easy option for backpackers but is less effective at removing viruses.

    If you’re unable to boil your water, another way to ensure water safety is to filter it, then use another method to disinfect it.

    Respect all waterways

    You may no longer have to ford the river with oxen, but rivers, lakes and other bodies of water present unique hazards that outdoor adventure enthusiasts can overlook.

    Moving water can be more dangerous than people realize. Even the best swimmers can drown in rip currents.

    Cross bodies of water only when absolutely necessary. Avoid any water crossings after recent rainfall, as the water level often rises and the current can be faster and stronger. Submerged objects – rocks, fallen trees and other debris – as well as changing weather, flash flooding and strong currents can make crossing more dangerous.

    If possible, use a Coast Guard-approved life jacket when you’re crossing water or on a boat.

    Be ready to go the distance

    It’s not just a broken wagon axle that can send a trip sideways. One thing The Oregon Trail captured well is how distance changes everything. A sprained ankle in a city usually means an inconvenient trip home or to the doctor, but a sprained ankle 5 miles from the trailhead may mean that someone will need to carry you. The same is true for other common wilderness concerns, such as dehydration, heat illness, infections or even blisters.

    Preparation is about packing a first aid kit and thinking ahead. Ask yourself what you would do if your hike took twice as long as expected or if you unexpectedly had to spend the night outside. Research your route and carry more food and water than you think you’ll need. Check the weather and be prepared for it to change, with extra clothing and options for rain.

    Group of hikers walking through forest, away from camera
    It’s dangerous to go alone. FG Trade/E+ via Getty Images

    No one tackled the Oregon Trail alone because it meant you would not survive. There is a lesson here in solo travel and solo mountaineering.

    Traveling alone means that a minor injury such as a sprained ankle could mean crawling to the trailhead to call for help or waiting until you are identified as missing. If you cannot find someone to travel with you, provide an itinerary and travel location to a trusted person. Make sure they know when you should be returning and plan to check in. If you do not return as expected, they can call for help.

    Respect the wildlife

    Large animals still pose a threat across the country. While there may be fewer bison than previously seen on the Oregon Trail, animals in nature deserve respect.

    No selfie is worth being attacked by a brown bear. If you see a dangerous wild animal, avoid approaching and immediately leave the area.

    Venomous snakes are present throughout much of the United States and continue to cause significant injury and death around the world. If someone is bitten, please don’t try to cut the wound or suck out the venom. Instead, keep the person calm, minimize unnecessary movement, and focus on getting them to professional medical care. Antivenom is available in many major hospitals in the United States.

    Even smaller and more docile animals such as deer and squirrels should not be fed. It is dangerous for an animal to get used to receiving food from humans. Additionally, animals carry diseases, such as rabies and leptospirosis, that can be fatal to people.

    Don’t attempt to get close to any animals, no matter how calm or asleep the animal appears to be.

    Technology is a backup, not a plan

    One of the biggest differences between today’s outdoor adventures and those of the Oregon Trail is the ability to communicate.

    Cellphones, GPS apps and emergency beacons have made it possible to call for help from places that were once completely isolated. However, while those devices are incredibly valuable, they shouldn’t encourage you to take bigger risks, as help may be far away, slow to arrive, and injuries in the wilderness can be fatal.

    Travelers can use a smartphone with GPS capacity to avoid getting lost, but downloading any needed maps for offline use can help prevent lack of service from derailing your trip.

    Additionally, an unlocked smartphone that isn’t restricted to one carrier is a great way to store and communicate critical data, such as travel plans and copies of your medical history.

    Person leaning over map spread over a rock beside a bike, plains stretching into the background
    Having an offline map is critical when going somewhere remote. Grant Ordelheide/Aurora Photos/Cavan via Getty Images

    Every environment has its own hazards

    The Oregon Trail travelers worried about river crossings, disease and harsh weather. Today’s hikers face different challenges depending on where they are.

    Desert hikers may struggle with extreme heat and dehydration. Mountain travelers face rapidly changing weather, lightning and high altitude. And coastal explorers can face problems such as riptides, waves, cliffs and unexpected rocky surfaces.

    Altitude illness is often unpredictable and can sneak up on you. Most people experience acute mountain sickness within 24 hours of ascent, developing symptoms such as headache, fatigue, nausea or problems with sleep. Any confusion, difficulty walking, shortness of breath or coughing up significant phlegm should prompt an immediate descent.

    There are commonly used prescription medications to help prevent and treat altitude illness. The mountain will always be waiting for your next attempt.

    Some lessons survive every software update

    Part of what made The Oregon Trail game memorable is that every decision mattered. Success often depended less on luck than on planning ahead, and that lesson still applies.

    When people ask me what one emergency medicine skill everyone should know before heading outdoors, my answer is usually preparation. Thoughtful planning prevents far more emergencies than any single piece of equipment.

    For people who spend a lot of time outdoors, I also recommend taking a wilderness first aid course. These courses teach practical skills to provide medical care in a wilderness environment.

    Nature is no less powerful or unforgiving than it was on the Oregon Trail, and treating it with respect is essential. Combining advances in modern medicine with thoughtful preparation helps stack the odds in your favor so that, just as every Oregon Trail player hoped, everyone in the party makes it to the end.

    This article originally appeared on The Conversation. You can read it here.
  • Your cells keep a record of every workout you’ve ever done – and those gains persist even after a break from exercise
    Photo credit: Williams+Hirakawa/The Image Bank via Getty Images – Your body retains the benefits of exercise even when you need to hit pause.
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    Your cells keep a record of every workout you’ve ever done – and those gains persist even after a break from exercise

    New research suggests muscle and liver cells retain a memory of exercise, offering hope when injury or life interrupts a workout routine.

    Have you ever taken months off training – maybe due to an injury, a new baby or crushing work deadlines – and come back convinced you were starting from zero?

    Research from our team has some good news: At the cellular level, you probably weren’t.

    We found that muscle and liver cells store memories from every training session in ways that may help improve endurance, control blood sugar levels and even slow weight regain after inactivity.

    Use it or lose it? Maybe not

    For most of the past century, long before fad diets and fancy workout trends took off, exercise was considered one of the most effective lifestyle changes to lower the risk of heart disease, Type 2 diabetes, several cancers and early death for people of all ages. But people typically understood exercise as something whose beneficial effects fade away over time: You use it or lose it.

    When you stop training, your maximum oxygen uptake, muscle gains and insulin sensitivity drift back to where they started, often within weeks. Physical activity guidelines are built on this fact, which is why they emphasize consistency above all else.

    Consistency, however, is a luxury that roughly 3 in 4 American adults aren’t able to enjoy. People can experience injuries, illness, pregnancy or jobs that limit their time for or ability to exercise. If adaptation really resets, every time you step into the gym would be as if you’ve never been there before. But that scenario doesn’t match what coaches and returning athletes typically describe: In practice, people who have trained before can get fit again faster than those who haven’t undergone similar training.

    In recent years, however, scientists have started challenging the concept of “use it or lose it.” New research hints that your cells might keep a record of your training history so all of your gains are not completely lost.

    More than muscle

    We are exercise physiologists who study how cells remember exercise. Our lab and others have shown that the body is able to store a form of exercise memory across different organs.

    To study how this exercise memory works, our team of researchers use an ON-OFF-ON exercise training protocol in mice, which involves an initial four- to eight-week training period, followed by detraining – a period of no exercise – and a second training bout. This method allows us to examine how cells form a memory of exercise, maintain a record of exercise through detraining, and recall memories of prior training when exposed again to exercise.

    Using this strategy, our team found that skeletal muscle memory accelerates muscle growth. Compared to mice with no training history, mice who retrained grew bigger muscles, and the individual muscle fibers inside those muscles grew too. Larger muscle fibers meant that the working cells were themselves getting bigger, rather than the surrounding tissue.

    Looking more closely at these muscle cells, we found that retrained muscle is better at matching energy production to demand – meaning, the muscles were better at drawing from energy stores when it’s needed most – and this ability persists without further exercise. This memory held even when the mice ate a high-fat diet, suggesting that prior training can still offer benefits even when diet is working against those gains.

    Muscle isn’t the only body part that learns from exercise. Working muscle needs fuel, and the liver supplies it during and after training sessions.

    My colleagues and I found that liver cells also store exercise memory and uses it to feed muscle more efficiently. In both mice and people who trained, stopped, then trained again, their livers released higher levels of a family of enzymes called carboxylesterases. These enzymes chop up lipids circulating in the blood, delivering fat in a form that muscle can take up and burn as it grows.

    A record that outlives you

    Recorded cellular memories of exercise may even be passed down to future generations.

    In mice, we found that three to four weeks of maternal and paternal endurance exercise can have a lasting effect on their offspring. Compared to offspring born to sedentary parents, parental exercise granted protection against poor blood sugar levels and excess weight gain for an entire year after birth.

    Researchers have hypothesized numerous ways that prenatal exercise may affect offspring. For example, maternal exercise might allow offspring to spend more time developing in the womb or lead parents to producer higher quality milk.

    But there remains much to be discovered on how parents influence the health of their children and whether their lifestyle could provide a fitness advantage across generations.

    Every cell remembers

    Biology has traditionally granted memory to a short list of cells. Neurons store memory in the connections between them. Immune cells store memory so they can recognize pathogens faster and more strongly the next time they encounter them.

    Researchers previously considered all other cells to be memoryless; a cell responds to a signal, then returns to baseline without keeping a record of that interaction. But that assumption is now coming apart.

    Skin stem cells can keep a record of inflammation, allowing them to heal a new wound faster months later. Human fat cells keep a record of obesity that persists even after substantial weight loss, which may account for why you gain weight faster when switching back to a high-calorie diet – the so-called yo-yo effect.

    We propose that every cell in the body remembers exercise, regardless of how little or how much someone trains. The question is how long these records are stored and whether researchers could prolong or expand each cell’s storage capacity. Better understanding of how cells learn and remember exercise, where they store memories and how those memories are preserved could help improve exercise guidelines for those who cannot exercise for prolonged or consistent periods of time.

    To be clear, none of these findings are evidence for skipping the gym; nothing in our data suggests the effects of past training can substitute for present training. But there is hope that the work you put into getting in shape isn’t completely lost over time.

    Somewhere, deep in your cells, there is a record waiting to be replayed the next time you lace up your running shoes, pick up a pair of dumbbells or want to fulfill a New Year’s resolution.

    This article originally appeared on The Conversation. You can read it here.

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