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U našim se tijelima složi sistem složenih mehanizama koji ih brane od vanjskih agensa s kojima svakodnevno dolaze u kontakt. Oni pružaju 24-satnu zaštitu bez obzira na to što radimo - 24 sata dnevno, sedam dana u sedmici. Zajedno ovaj sistem odbrane i nadzora poznat je kao imunološki sistem.
Šta je imunološki sistem?
Prve barijere s kojima se potencijalni uljezi susreću su koža koja čini neprobojni sloj i sluznica nosa i grla, mokraćnog mjehura i genitalija koje sadrže imunološke stanice kako bi spriječile vezivanje mikroba. Zajedno s brojnim imunološkim ćelijama koje se neselektivno bore protiv stranih organizama, one čine nespecifični imunološki sistem. Uprkos svojoj efikasnosti, neki se i dalje probijaju kroz ove prve prepreke, što je mjesto gdje naš visoko inteligentni specifični imunološki sistem stupa na snagu.
Specifični imunološki sistem može pohraniti informacije o uljezima i stranim organizmima s kojima se već susreo u imunološkoj memoriji. Na ovaj način, kada se tijelo ponovo suoči s njima, njegova vojska pomoćnih T-ćelija i citotoksičnih T-ćelija spremna je za nekoliko minuta i zna šta treba učiniti da se efikasno bori s njima. Sveukupno, oko 80% naših imunoloških ćelija nalazi se u probavnom traktu, što znači da crijeva igraju ključnu ulogu u djelotvornosti imunološkog odgovora.
What can influence my immune system?
Like many of our bodily systems, the immune system exists in a sensitive balance, and our lifestyle can have a significant effect. Here are some of the key factors that can take a toll on your immune function.
Stress – Deadlines, commuting, finances, housework, relationships. In the busy lives we lead today, it’s easy to find yourself in a continual state of stress. This triggers your body to release stress hormones such as cortisol, which suppresses the immune system’s effectiveness. Furthermore, stress can adversely affect the gut, the home of the majority of our immune cells.
Lack of sleep – Not getting enough shut-eye can also lead to higher levels of certain stress hormones, which has been shown to impede the body’s ability to fight. Too little sleep also means that the body doesn’t have enough time for the all-important regeneration processes overnight.
Diet – Not only does an unbalanced diet mean that the body might not be getting the vitamins and minerals needed for normal immune function, but it can also affect the gut microbiota. Eating lots of refined, processed foods can reduce the diversity of bacteria there, which has been connected with a homeostasis of the organism. Homeostasis is the tendency to maintain a stable.
Too much exercise, or not enough? – On the one hand, a lack of exercise can limit the immune system’s function both in the short and long term. On the other, excessive exercise or overtraining without sufficient regeneration can lead to an excess of stress hormones, which can interfere with the body’s immune response.
How strong is your immunity? How to read the signs your immune system is sending you? Learn more about the signals from your immune system
But how do you know if your immune system is working quite as well as it should or could be? Look out for these signs that your immune system sends you.
Irritation- Have you noticed that you’ve been feeling more stressed recently? It could be a hint from your body that your immune system is under strain and could use a little help.
Tiredness – Are you feeling tired despite getting enough sleep? If your immune system has to work harder than usual, it will certainly be noticeable in your energy levels.
Allergies – Have old allergies suddenly resurfaced, or new ones cropped up? How well your body can handle allergens is greatly influenced by the effectiveness of your immune system.
Slower regeneration– Your body’s ability to regeneration relies on immune cells so a overstretched immune system could slow down regeneration time.
What can I do to keep my immune system strong? Give your immune system a helping hand
Luckily, there are plenty of ways you can support your immune system with a few small lifestyle changes.
Lactic acid bacteria
The digestive and immune systems are closely linked, so keeping the intestinal bacteria happy is a great way to take care of the gut - home of the gut microbiota – which constitutes 80% of the entire immune system. Studies have shown that adding a lactic acid bacteria supplement to your daily routine can positively influence the gut microbiota, BioGaia products contain the well-researched strain Lactobacillus reuteri Protectis, which has proven safe for both children and adults alike.
Getting regular moderate exercise can help reduce stress, allowing your immune system to get on with its work. If you can take it outside for an extra dose of fresh air, even better! You can get your circulation going and maintain sufficient moisture in your mucous membranes.
Drink plenty of water
When your body is well hydrated, it can fully concentrate on keeping those intruders at bay. Water contributes to the maintenance of normal physical and cognitive functions. It also contributes to the maintenance of normal regulation of the body’s temperature.
Furthermore, this also aids digestion and keeps the mucous membranes moist – an essential part of your body’s defence.
Get your vitamins
A balanced diet full of fresh, seasonal fruit and vegetables will provide your body with the vitamins and minerals for a robust immune system. However, there is one crucial vitamin for the immune system that is only found in a limited number of foods, vitamin D. Our body can meet most of its vitamin D needs from sun exposure. Since this can be difficult during the darker months, it can make sense to take a supplement. One or two BioGaia Protectis Chewable Tablets with Vitamin D contain 10 µg of vitamin D3, which will certainly help you get enough vitamin D each day!