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You Can Actually Be Allergic to Exercise — and It Can Get Serious

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You Can Actually Be Allergic to Exercise — and It Can Get Serious

Not everyone is a fan of exercise, and you’ve probably heard more than a few jokes from people who say they’re “allergic” to working out. But despite the quips, an exercise allergy is a real thing — and it can be serious.

The official name for this allergy is exercise-induced anaphylaxis, and it’s a rare disorder where someone develops a hypersensitivity to physical activity, leading to a life-threatening allergic reaction known as anaphylaxis, which can involve scary symptoms like trouble breathing.

The lifetime prevalence of experiencing exercise-induced anaphylaxis is about 0.05%. But it can and does happen — and it can develop later in life, even if you’ve never had issues working out before.

“There’s a lot we don’t know about exercise-induced anaphylaxis, including the mechanism behind why this happens,” says Roula Altisheh, MD, an allergist and immunologist with the Cleveland Clinic. Still, researchers and doctors in the field have learned how to properly diagnose the condition, as well as how to manage it. These are the biggest signs you might be dealing with exercise-induced anaphylaxis, plus what to do next, if you are.

What Is Exercise-Induced Anaphylaxis?

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Exercise-induced anaphylaxis is “a disorder characterized by a range of symptoms occurring during exercise or physical activity,” says Peter J. Carek, MD, researcher and chair of the department of Family Medicine at Clemson University’s School of Health Research.

During an allergic reaction, a type of white blood cell in your immune system, known as mast cells, releases certain compounds, including tryptase and histamine. These compounds are what can cause symptoms of an allergic reaction, Dr. Altisheh says. In the case of exercise-induced anaphylaxis, something about physical activity causes the mast cells to release large amounts of these compounds, leading to severe symptoms that can even be life-threatening, she says.

What it is about exercise that triggers this response isn’t known. One study in the Journal of Asthma and Allergy notes that exercise increases gut permeability, and therefore may allow toxins to escape from the gut into the bloodstream, triggering the immune system and the mast cells. Another theory is that exercise causes blood flow to be directed from visceral organs to the muscles, skin, and heart, and that blood can carry allergens with it.

But in many cases, it isn’t exercise alone that causes an allergic reaction, but a combination of exercise and something else. For instance, there’s also a variant of the condition known as food-dependent exercise-induced anaphylaxis. In this type, people only experience a reaction if they exercise within three or four hours of eating a specific food, such as wheat, shellfish, or nuts, Dr. Altisheh says. As many as 30 to 50 percent of exercise-induced anaphylaxis cases are food dependent, according to the journal Canadian Family Physician.

In other cases, a person must be exercising in a warm or cold environment, after having taken medications like NSAIDs, or while menstruating in order to experience an allergic reaction, according to the aforementioned study in the Journal of Asthma and Allergy.

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Symptoms of Exercise-Induced Anaphylaxis

Symptoms can vary from person to person, but doctors say they generally can include:

  • Coughing
  • Trouble breathing
  • Wheezing
  • Flushing
  • Feeling itchy
  • Facial swelling
  • Hives
  • Feeling like your throat is closing

Some people may feel light-headed and pass out, Dr. Carek says. A drop in blood pressure and gastrointestinal symptoms like nausea and an upset stomach can happen, too, Dr. Altisheh says.

How Is Exercise-Induced Anaphylaxis Diagnosed?

Testing for exercise-induced anaphylaxis can be tricky. It usually starts with doctors taking a detailed history about how your symptoms started, what you were doing when you experienced them, and what you ate before experiencing them, Dr. Altisheh says. “We try to tease out if there are co-factors that might have lowered the threshold to break into anaphylaxis,” she says. “It’s a clinical diagnosis where we try to rule out other disorders that can mimic the symptoms.”

Your doctor may also recommend doing a scratch test to look for possible triggers based on your medical history, Dr. Altisheh says.

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From there, doctors may do an “exercise challenge,” where they closely monitor you in a lab setting as you exercise, usually on a treadmill, Dr. Carek says. “This testing has not been standardized,” Dr. Altisheh says. Regardless of how it’s done, doctors should have medications available to treat you if you develop anaphylaxis.

How to Manage and Treat Exercise-Induced Anaphylaxis

Management really depends on the person. “It depends on the activity and the exercise exertion level that the patient had,” Dr. Altisheh says. Doctors say you don’t necessarily need to avoid all physical activity if you have exercise-induced anaphylaxis, but you may need to take some extra precautions.

“We always advise the patient to stop the exertion immediately at the first sign of symptoms — we never recommend pushing through,” Dr. Altisheh says. It’s also important not to exercise alone and to make sure you have an epinephrine auto-injector with you, like an EpiPen, Dr. Carek says.

“Patient education may include abstaining from exercise four to six hours after eating, avoiding aspirin and non-steroidal anti-inflammatory drugs (NSAIDs) before exercise, and others,” Dr. Carek says. Doctors may also suggest using a long-acting antihistamine to lower the risk of symptoms, Dr. Altisheh says.

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Exercise-induced anaphylaxis tends to be most common in people who do vigorous workouts with sudden bursts of speed, which is why doctors may recommend that you avoid those, Dr. Altisheh says. But overall, if you suspect that you have exercise-induced anaphylaxis, it’s important to seek care. “This can be treated,” Dr. Altisheh says.

Korin Miller is a writer specializing in general wellness, health, and lifestyle trends. Her work has appeared in Women’s Health, Self, Health, Forbes, and more.

Fitness

Strength training over decades linked to longer life – Harvard Health

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Strength training over decades linked to longer life – Harvard Health


We’ve long known that aerobic exercise might help us live longer, and now strength training is being credited with the same effect. People who do up to two hours of strength training each week, over several decades, may reduce their risk of dying earlier from several serious conditions, including heart disease and neurological diseases, according to a Harvard-led study published June 12, 2026, in the British Journal of Sports Medicine.

Researchers analyzed three major studies involving 147,374 adults (79% women) who were middle-aged or older at the study’s start and tracked for up to 30 years. Participants reported how frequently and vigorously they exercised, including resistance training (which can include weight lifting and body-weight movements) and aerobic activity (such as brisk walking, cycling, and running). Deaths from all causes were also recorded.

Participants who logged between 90 and 119 minutes of resistance training each week were 13% less likely to die during the study period from any cause compared with those who did no strength training. They also had a 19% lower risk of dying from cardiovascular disease and a 27% lower risk of dying from neurological diseases such as dementia. Aerobic exercise remained a strong, independent predictor of living longer, but the greatest benefit was observed when resistance training was combined with it. Participants who regularly did both had up to a 45% lower risk of dying during the study period than those who did little aerobic activity and no resistance training.

If you don’t already engage in strength training, it may be wise to start. Begin with body-weight exercises such as squats, push-ups, or step-ups on a low stair. Add resistance bands or light dumbbells to increase the benefits. Consider enlisting the guidance of a physical therapist or personal trainer, and aim for consistency over time.

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‘This works’: Fitness icon Suzy Jalowsky, 60, shares the simple exercise formula she swears by

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‘This works’: Fitness icon Suzy Jalowsky, 60, shares the simple exercise formula she swears by

It’s easy to overcomplicate your fitness routine, especially when you’re being bombarded by information on social media about how to optimise every aspect of your workouts. But improving your fitness and building strength doesn’t have to be complicated – as a new reel from fitness icon Suzi Jalowsky shows.

The 60-year-old shared how just 30 minutes of walking daily paired with three simple strength workouts can help women over 40 ‘look better, feel better and stay strong’ as they age.

‘This works,’ she wrote in the caption. ‘Consistency with the basics will take you where you want to be. We often look for complicated solutions, but the basics are what truly change your body.’

Suzi Jalowsky’s strength routine

To add to the simplicity of the workout, Jalowsky uses just two 12lb (roughly 5kg) dumbbells throughout – so you don’t need to spend hundreds of pounds on expensive equipment to get started.

The workout

How to do the moves

  • Stand with your feet hip-width apart and a slight bend in your knees.
  • Hinge at your hips until your chest is almost parallel to the floor, keeping your back flat and your shoulders down.
  • Hold a dumbbell in each hand with your palms facing each other and your arms hanging below your shoulders.
  • With a slight bend in your elbows, raise the weights out to shoulder height, squeezing your upper back and shoulder blades together.
  • Lower the dumbbells back to the starting position with control.
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  • Stand with your feet shoulder-width apart, holding a dumbbell in each hand.
  • Bend over while bracing your core and keeping your back straight and chin tucked.
  • Draw the dumbbells towards your waist, keeping the elbow tucked into your side.
  • To complete the rep, extend the arms back to the starting position.
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  • Stand with your feet hip-width apart, hands on your hips.
  • Take a big step back with your right leg, crossing it behind your left. Bend your knees and lower your hips until your left thigh is nearly parallel to the floor. Keep your torso upright and your hips and shoulders as square as possible to the wall in front of you.
  • Return to start. Then repeat on the other side.
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  • Start with a dumbbell in each hand, arms down and palms facing your body.
  • Rotate each hand so your palms face forwards. Keeping a slight bend in the knees, activate your glutes.
  • Engaging your core to avoid any sway in the hips, bend your arms, lifting one of weights to chest height in a slow, controlled movement.
  • Keep your shoulders relaxed and down, and keep your head, neck and spine neutral. Don’t arch your back.
  • In another slow, controlled movement, lower the weight back down to your thighs by straightening your arms while raising the other one to your chest. Repeat.
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  • Stand with your knees bent and lean forward slightly, with a dumbbell in each hand.
  • Keeping your back straight, bend your dumbell-holding arm 90 degrees at the elbow so your triceps are aligned with your back and your biceps are perpendicular to the floor.
  • Engage your core and your triceps and hinge at the elbow, lifting the dumbbell up and back as you try and straighten your arm. Your triceps should stay still; only your elbow moves.
  • Guide the weight upward until your arm is straight, pause, then lower back down slightly to begin your pulses.
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  • Stand with your feet slightly wider than shoulder width apart, evenly distribute your weight, and turn your toes out to 10 and 2 o’clock. Hold a dumbbell in each hand.
  • Keep your core tight and chest tall as you inhale, bend your knees, and sink your hips down until your thighs are parallel to the floor.
  • Exhale as you drive through your feet back to an upright standing position.

Upright row

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  • Stand with your feet shoulder-width apart, holding the dumbbells with straight arms in front of your legs. Your palms should face your body.
  • Engage your abs. Keep your chest up and eyes forward.
  • Lift the dumbbells up to mid-chest height or just below your chin. Keep your dumbbells close to your body by raising your elbows up and out to the sides.
  • Pause at the top, then lower with control to the beginning.

Serve the platter

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  • Stand with your feet hip-width apart, holding a dumbbell in each hand.
  • Bend your elbows to 90 degrees, tucking them tightly against your waist with your palms facing upwards.
  • Slowly extend your arms out in front, raising them to shoulder height.
  • Pull your elbows pack to the starting position.
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  • Start with your feet together, holding a dumbbell in both hands at your sides. Shift your weight to your left leg, with your knee slightly bent.
  • Hinge at your hips to bring your chest down while raising your right leg behind you until your body is in a line from your head to your right foot.
  • Reverse back to the starting position and repeat, then switch sides.

Star jump with squat

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  • Start by standing with your feet shoulder-width apart and a single dumbbell held with both your hands in front of your chest.
  • In one movement, jump your feet out to the side and press the dumbbell over your head.
  • Jump your feet back in, bring the dumbbell back to your chest and lower into a squat. Continue by jumping your feet out to the side again and repeating the movement.

One of our most frequently asked questions here at Women’s Health? How to build muscle and burn fat at the same time. So, we asked superstar trainer Oyinda Okunowo exactly how to do it. In this 4-week plan – created exclusively for Women’s Health COLLECTIVE members – you’ll get the workouts and nutrition guidance needed to help you on your way to better body composition. Tap the link below to unlock 14 days of free access to Oyinda’s plan and start training today.

Get the plan

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        Lauren Geall is deputy site editor for Women’s Health UK and Men’s Health UK. She graduated from Exeter University with a BA in English Literature before studying an MA in Magazine Journalism at City, University London. She’s been writing about health, fitness and wellbeing for over five years, with a total of seven years in digital journalism. Prior to her current role, she worked at Stylist as the acting health and fitness editor. As well as being a keen runner, Lauren is passionate about women’s sport and can often be found cheering on Arsenal Women at the Emirates or keeping tabs on the Red Roses’ latest win. 

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Sue Barker, 70, keeps fit with cardio, strength training and NEAT exercise – her lifelong fitness formula

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Sue Barker, 70, keeps fit with cardio, strength training and NEAT exercise – her lifelong fitness formula

Sue Barker may have stepped away from professional tennis in 1985 at the age of 29, but she’s continued to prioritise fitness and movement.

‘During the winter, I try to exercise at least three times a week at the gym, and in the summer I like to get outdoors. I love jogging, cycling and walking my dogs,’ the 1976 French Open champion and former world No. 3 told Express.

She shares her varied routine – which includes cardio, strength training and plenty of everyday movement (also known as non-exercise activity thermogenesis, or NEAT) – with her husband.

‘As a rule, Lance and I do a lot of exercise – we have two dogs to walk [twice a day], we cycle a lot and have a personal trainer we see a couple of times a week,’ the former long-time Wimbledon presenter told Sheerluxe.

‘So, I do keep fit. Lance plays golf and I’m thinking of taking it up, but I’ve been saying that for quite a few years…’

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Despite retiring from both tennis and broadcasting, she remains drawn back to the court.

‘Going back to Wimbledon [in 2023] reignited my love for the game, so I’m going to play there on the grass,’ she added.

Sue Barker uses exercise to stay fit for life

Movement plays a central role in her approach to healthy ageing and maintaining her independence.

‘It’s vitally important to me that, even later in life, I stay fit and focused,’ she told Express. ‘For me, it’s a question of self-preservation. While I can’t fight time, I can help myself stay fit and focused through good nutrition and a healthy lifestyle.’

She also remains keen to embrace new experiences and make the most of the years ahead.

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‘I can’t wait to see where my life is going to go from now on. Age is but a number,’ she told Riverstone Living. ‘I want to go out and do all sorts of things – I want to travel, I want to keep living life to the absolute full.’

How Sue Barker first fell in love with sport

Her love of staying active started at home.

‘My father was very sporty and played a lot of tennis,’ she told Sheerluxe. ‘He was also a very good golfer and, as a family, we did a lot of active things together like rowing and swimming. My siblings did all sorts of sports too and I learned to play tennis mainly with my sister.’

Playing tennis in an era before modern recovery methods and training techniques helped forge her into a resilient athlete.

‘We didn’t have the facilities and the training and the technique that goes with it now – the stretching, the ice baths,’ the former champion recalled.

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‘We wore Green Flash tennis shoes that didn’t have any sponge in them at all, and we were using wooden rackets. Every part of your body ached.’


One of our most frequently asked questions here at Women’s Health? How to build muscle and burn fat at the same time. So, we asked superstar trainer Oyinda Okunowo exactly how to do it. In this 4-week plan – created exclusively for Women’s Health COLLECTIVE members – you’ll get the workouts and nutrition guidance needed to help you on your way to better body composition. Tap the link below to unlock 14 days of free access to Oyinda’s plan and start training today.

Get the plan


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