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Study Finds That Exercise Isn’t Necessarily Good For Our Immune System

Study Finds That Exercise Isn’t Necessarily Good For Our Immune System

We are all aware of how exercise helps our body to become better and makes us fitter. But studies have shown that the reverse is also true.

Following the popular saying that too much of a good thing can be bad, it has been revealed through many studies that too much exercise actually harms the body, particularly the immune system. This can come as a surprise to many of us, but the evidence is there.

Intense vs. Moderate Exercise

Several studies have shown that there has been a direct negative effect on the immune system of people who performed strenuous amounts of exercise without a proper amount of rest in between. Various published papers throughout the years have shown evidence of this fact. Hence, these findings cannot and shouldn’t be taken lightly.

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A study conducted in Australia, the results of which were published in 2007, brings light to the suggestion that elite trained athletes, i.e. the ones who perform and exercise harder than moderately exercising people are more susceptible to upper respiratory tract infections or URTI (generally known as the common cold) than people who exercise in small amounts or recreationally.

The study was conducted among a number of elite athletes or people who maintain a hard routine of exercise and people who perform little to moderate amount of exercise. The end results were found to point to the direction that there is a relatively positive chance that high amount of exercise can link to having a bad immune system and get acute URTI symptoms.

Another study was conducted by the Loughborough University in the United Kingdom, the purpose of which was to provide a summary of how exercising affects the immune system. In the paper published after the study was conducted, it was concluded that exercising too much can, in fact, cause a temporary depression of the immune system. This effect of depression of the immune system is noticeable at its peak if the hour of exercise is prolonged more than 1.5 hours and the intensity is too high.

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Relation between URTI and Exercise Amount

In most of these studies, there appeared a common phenomenon in the relationship between the amount of exercise and the state of the immune system. It usually is depicted as a J-shaped curve. This J-shaped curve shows the relationship between amount and intensity of exercise and the occurrence or prominence of URTI incidence in the people. Those who had lower levels of URTI illness witnessed in them were usually the recreational athletes and people who maintained a moderate amount of exercise, while the substantially higher rates of URTI occurred among the elite athletes.

The following image of the J-curve is taken from a study conducted and published in 1994, and it depicts the relationship between Risk of URTI and Amount and Intensity of Exercise as follows:

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j-curve

    Graph source

    As you can see, it depicts that the way to keep the immune system from any kind of dangerous levels of harm is by pursuing a moderate exercising lifestyle. Whereas, it can be seen that sedentary amount and intensity of exercise, as in those who do too little exercise of lower intensity also possess a threat to their body’s immune system. Likewise, a workout of high intensity and consisting of a longer period of time can be equally, if not more, harmful to the immune system and the body in general.

    Some may argue that this being a graph from a study performed way back in time might not be fully correct, given the fact that recent studies have emerged. But despite slight differences, all studies related to this topic the relationship between of exercise and harm to immune system mostly provides the same conclusion as has been drawn in this article. If all their finding were to be taken and recreated as a graph or a pictorial edition, no doubt the end result would look somewhat similar to the one shown above.

    The Verdict

    Moderation is the key. Exercise too little, and you have the potential danger of making your body unfit, as well as being known as a couch potato. Exercise too much, on the other hand, and you really do have the potential danger of harming your immune system and in turn, your body.

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    So learn to recognize your body’s signals and gut intuitions. Know when your body can’t take it anymore and give it, and yourself, some well-deserved rest.

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    Last Updated on May 22, 2019

    10 Simple Morning Exercises That Will Make You Feel Great All Day

    10 Simple Morning Exercises That Will Make You Feel Great All Day

    There are lots of studies that show if you do some exercise in the morning, you will be in a better mood all day long. You will have more energy and you will certainly be a better colleague, friend or partner.

    One psychologist at Duke University has researched the effects of exercise on depressed patients and he has come to the conclusion that exercise has a definite role in treating this condition and has an important role in preventing people from relapsing.[1] According to the New York Times, scientists have now established that exercise also boosts your brain power.[2]

    In addition, there are studies from the Appalachian State University which show that blood pressure can be reduced by doing regular morning exercise.[3]

    Here are 10 simple morning exercises that will help you feel great the whole day long. You can include some of them in your morning exercise routine or do them all at home without having to enrol in a gym. Consult your doctor before starting any form of exercise routine if you are new to this.

    1. Cat Camel Stretch

    Stretching exercises are useful for muscle toning and also preventing arthritis. They can either be dynamic or static.

    Dynamic ones such as the cat camel stretch, are particularly useful for doing other exercises in the morning. They are also beneficial at other times of the day, especially after long periods of sedentary work. This one is great for spinal flexibility and is a good warm up exercise.

    Kneel down on all fours. Start by rounding your back just like a camel so that your head will try to meet your pelvis. This is the camel position. Then lower and lift your head so that your lower back is arched. This is the cat position. Do these movements slowly and smoothly. About 4 or 5 times.

    Here’s a video to guide you through:

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    2. Go for a Walk or a Run

    This is better done outside so that you can connect with nature but running inside on a treadmill is almost as good. You can time yourself and increase length and time according to your fitness program.

    Always have new goals to reach. Start with brisk walking and work up to running. At my age, I am still walking!

    The health benefits are considerable. You can build stronger bones and you can help to maintain your weight.

    Also, you are helping your heart to stay healthy and keeping your blood pressure low.

    Learn more about the benefits of running here: 8 Benefits of Running 5 Minutes Every Day You Didn’t Know

    3. Jumping Jacks

    Michelle Obama is a great fan of this exercise and has become “Jumper in Chief.”[4] They are great for cardiovascular health and also for toning muscles especially the calves and the deltoids.

    Stand with feet together. Jump while spreading your arms and legs. Return to first position and keep going! You can start with doing these for 1 minute and then gradually build up to the number you are comfortable with. Here’s how:

    4. Abductor Side Lifts

    Watch the video below to see how to do this exercise. These muscles are important because you use them everyday to run, get into the car or onto and off a bicycle. They are very important also for your core stability and prevent the pelvis from tilting.[5]

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    Do about 10 to 15 raises for each side like this:

    5. Balancing Table Pose

    This is a classic yoga pose. It benefits the spine, balance, memory and concentration.

    Start with the table pose (hands and knees). Breathe in before starting each movement. As you exhale, raise your left leg parallel to the floor as you raise the right arm, also parallel to the floor. Breathe in as you lower arm and leg. Repeat for the other side. 10 repetitions on each side is a good starting point.

    ablab

      6. Leg Squats

      Not just legs are involved but also hips and knees.

      Stand with your feet a bit further out from your hips. Arms are out in front of you. Then lower yourself as if you wanted to sit down until you reach a 90 degree angle. You can go down further if you want to. Then return to the starting position. Repeat 15 times for 2 sets for beginners.

      The benefits are that these exercises help with knee stability and can benefit the leg muscles such as quadriceps, hamstrings and calves.[6]

      7. Push Ups

      You start lying down (face down) but with your body held up at arm’s length. Your hands should be in line with your shoulders. Breathe in as you lower your body. That is fairly easy. Now, as you exhale, you have to get back up to the starting position.

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      An easier version to start with is to bend your legs at the knees so you do not have to lift your whole body.

      Beginners may take up to a month to be able to do 100 push ups so you will have to start with a very small number and gradually increase it.

      This exercise is great for strengthening the chest, shoulders and the triceps. It is a great strengthening exercise for many muscle groups. In fact, most muscles from the toes to the shoulders are being used.

      8. Bicycle Crunches

      There are numerous crunch exercises targeting the abs. The bicycle crunch is a variation where you work more muscle groups. Aim for 15 to 20 reps to start off with.

      Watch the video to see how this is done correctly:

      9. Lunges

      Stand with feet shoulder width apart. Place your hand on your hips. Take one giant step forward with the right leg. Make sure the knee does not go too far forward, that is, past your toes. The left knee will go down to almost floor level. Alternate the legs as you go on.

      Try to do a set of between 8 and 12 reps for each leg. It is important to allow for a day of rest, so this exercise should be done on alternate days, especially if you are using weights.

      This exercise is great for strengthening and toning the quadriceps, glutes and hamstrings.

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      10. Bicep Curls

      You can do this sitting down so if you spend a lot of time on the phone, this is a great exercise to do.

      Choose suitable dumbbells or another household object that you can easily hold. Sit down with the dumbbell in your hand. You need to sit forward a bit so that your triceps can lean on your thigh to give you support.

      Then bring the weighted arm up to shoulder length and then down again. Exhale as you lift the weight and inhale as you lower it.

      Here’re some important notes before you start doing this exercise:

      Try to do one or two sets of about ten repetitions for each arm and then switch arms.

      These exercises are really useful for toning the arm muscles.[7] In addition, they can strengthen and tone the brachioradialis muscle located in the forearm. These are the muscles we use to pick up things when we flex the arm at the elbow so we use these muscles countless times a day.

      You may have to build in a rest day for the heavier exercises, numbers 6–10. On the rest days, you can do gentler stretching exercises and also some walking or running.

      Morning exercise is not only a great mood booster, but will help you keep your weight down and also sleep better![8] Start including one or some of these exercises in your morning routine!

      More Articles About Exercises for Beginners

      Featured photo credit: Unsplash via unsplash.com

      Reference

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