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

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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 December 2, 2021

    The Importance of Making a Camping Checklist

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    The Importance of Making a Camping Checklist

    Camping can be hard work, but it’s the preparation that’s even harder. There are usually a lot of things to do in order to make sure that you and your family or friends have the perfect camping experience. But sometimes you might get to your destination and discover that you have left out one or more crucial things.

    There is no dispute that preparation and organization for a camping trip can be quite overwhelming, but if it is done right, you would see at the end of the day, that it was worth the stress. This is why it is important to ensure optimum planning and execution. For this to be possible, it is advised that in addition to a to-do-list, you should have a camping checklist to remind you of every important detail.

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    Why You Should Have a Camping Checklist

    Creating a camping checklist makes for a happy and always ready camper. It also prevents mishaps.  A proper camping checklist should include every essential thing you would need for your camping activities, organized into various categories such as shelter, clothing, kitchen, food, personal items, first aid kit, informational items, etc. These categories should be organized by importance. However, it is important that you should not list more than you can handle or more than is necessary for your outdoor adventure.

    Camping checklists vary depending on the kind of camping and outdoor activities involved. You should not go on the internet and compile a list of just any camping checklist. Of course, you can research camping checklists, but you have to put into consideration the kind of camping you are doing. It could be backpacking, camping with kids, canoe camping, social camping, etc. You have to be specific and take note of those things that are specifically important to your trip, and those things which are generally needed in all camping trips no matter the kind of camping being embarked on.

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    Here are some tips to help you prepare for your next camping trip.

    1. First off, you must have found the perfect campground that best suits your outdoor adventure. If you haven’t, then you should. Sites like Reserve America can help you find and reserve a campsite.
    2. Find or create a good camping checklist that would best suit your kind of camping adventure.
    3. Make sure the whole family is involved in making out the camping check list or downloading a proper checklist that reflects the families need and ticking off the boxes of already accomplished tasks.
    4. You should make out or download a proper checklist months ahead of your trip to make room for adjustments and to avoid too much excitement and the addition of unnecessary things.
    5. Checkout Camping Hacks that would make for a more fun camping experience and prepare you for different situations.

    Now on to the checklist!

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    Here is how your checklist should look

    1. CAMPSITE GEAR

    • Tent, poles, stakes
    • Tent footprint (ground cover for under your tent)
    • Extra tarp or canopy
    • Sleeping bag for each camper
    • Sleeping pad for each camper
    • Repair kit for pads, mattress, tent, tarp
    • Pillows
    • Extra blankets
    • Chairs
    • Headlamps or flashlights ( with extra batteries)
    • Lantern
    • Lantern fuel or batteries

    2.  KITCHEN

    • Stove
    • Fuel for stove
    • Matches or lighter
    • Pot
    • French press or portable coffee maker
    • Corkscrew
    • Roasting sticks for marshmallows, hot dogs
    • Food-storage containers
    • Trash bags
    • Cooler
    • Ice
    • Water bottles
    • Plates, bowls, forks, spoons, knives
    • Cups, mugs
    • Paring knife, spatula, cooking spoon
    • Cutting board
    • Foil
    • soap
    • Sponge, dishcloth, dishtowel
    • Paper towels
    • Extra bin for washing dishes

    3. CLOTHES

    • Clothes for daytime
    • Sleepwear
    • Swimsuits
    • Rainwear
    • Shoes: hiking/walking shoes, easy-on shoes, water shoes
    • Extra layers for warmth
    • Gloves
    • Hats

    4. PERSONAL ITEMS

    • Sunscreen
    • Insect repellent
    • First-aid kit
    • Prescription medications
    • Toothbrush, toiletries
    • Soap

    5. OTHER ITEMS

    • Camera
    • Campsite reservation confirmation, phone number
    • Maps, area information

    This list is not completely exhaustive. To make things easier, you can check specialized camping sites like RealSimpleRainyAdventures, and LoveTheOutdoors that have downloadable camping checklists that you can download on your phone or gadget and check as you go.

    Featured photo credit: Scott Goodwill via unsplash.com

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