Suplementacija vitaminom D nema gotovo nikakve pozitivne učinke.

crodex.net

<p>U posljednje vrijeme, mnogo se govori o učincima suplementacije vitaminom D. Članak na CRODEX.NET tvrdi da suplementacija vitaminom D nema gotovo nikakve pozitivne učinke. Da li je to istina?</p>
<p>Vitamin D je važan za naše zdravlje, a njegov nedostatak povezan je s raznim bolestima. Međutim, pitanje je da li suplementacija vitaminom D zaista pomaže u smanjenju rizika od tih bolesti.</p>
<p>Prema članku, velika meta-analiza je pokazala da suplementacija vitaminom D ima iznimno male, ili nikakve pozitivne učinke. No, što kažu znanstvena istraživanja?</p>
<p>Jedna od najvećih meta-analiza na ovu temu, objavljena u časopisu <a href="https://www.thelancet.com/journals/landia/article/PIIS2213-8587(18)30265-1/fulltext">The Lancet Diabetes &amp; Endocrinology</a>, zaključila je da suplementacija vitaminom D ne smanjuje rizik od kardiovaskularnih bolesti, karcinoma ili smrtnosti. Međutim, druge studije pokazuju da vitamin D može imati koristi u specifičnim populacijama, kao što su starije osobe ili osobe s nedostatkom vitamina D.</p>
<p>Na primjer, studija objavljena u časopisu <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa1809944">New England Journal of Medicine</a> pokazala je da suplementacija vitaminom D može smanjiti rizik od akutnih respiratornih infekcija, posebno kod osoba s niskim razinama vitamina D.</p>
<p>Također, važno je napomenuti da vitamin D može imati ulogu u jačanju imunog sustava i kostiju. Studija objavljena u časopisu <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3356951/">Journal of Clinical Endocrinology &amp; Metabolism</a> pokazala je da vitamin D može poboljšati gustoću kostiju i smanjiti rizik od fraktura kod starijih osoba.</p>
<p>Zaključno, iako suplementacija vitaminom D možda ne pruža univerzalne koristi za sve, ona može imati specifične učinke u određenim populacijama. Važno je da se odluka o suplementaciji temelji na individualnim potrebama i preporukama stručnjaka.</p>

Istina o suplementaciji vitaminom D: Što kažu znanstvena istraživanja?

<p>U posljednje vrijeme, sve više ljudi teži zdravoj prehrani i traži namirnice koje sadrže minimalni udio kalorija. Članak na Večernji.hr tvrdi da postoje namirnice koje gotovo da i ne sadrže kalorije. Provjerit ćemo ove tvrdnje i pružiti detaljan pregled.</p>
<h2>Cvjetača</h2>
<p>Članak tvrdi da cvjetača sadrži svega 25 kalorija na 100 grama. Ova tvrdnja je točna. Prema podacima <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/170452/nutrients">USDA FoodData Central</a>, cvjetača zaista sadrži oko 25 kalorija na 100 grama. Cvjetača je također bogat izvor vitamina C i D, kao i folne kiseline, što je posebno korisno za trudnice.</p>
<h2>Rukola</h2>
<p>Tvrdnja da rukola sadrži 25 kalorija na 100 grama također je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/170453/nutrients">USDA FoodData Central</a>, rukola sadrži oko 25 kalorija na 100 grama i bogata je vitaminima A i C, koji pomažu u održavanju zdrave i elastične kože.</p>
<h2>Kuhano jaje</h2>
<p>Članak tvrdi da kuhano jaje sadrži 75 kalorija. Ova tvrdnja je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/171303/nutrients">USDA FoodData Central</a>, kuhano jaje sadrži oko 75 kalorija i bogato je proteinima i esencijalnim hranjivim tvarima, što ga čini odličnim izborom za doručak.</p>
<h2>Tofu</h2>
<p>Tvrdnja da tofu sadrži 72 kalorije na 100 grama je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/174232/nutrients">USDA FoodData Central</a>, tofu sadrži oko 72 kalorije na 100 grama i bogat je proteinima, što ga čini dobrom alternativom za one koji žele smanjiti unos kalorija.</p>
<h2>Jagode</h2>
<p>Članak tvrdi da 100 grama jagoda sadrži 32 kalorije. Ova tvrdnja je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/171949/nutrients">USDA FoodData Central</a>, jagode sadrže oko 32 kalorije na 100 grama i bogate su vitaminom C i kalijem.</p>
<h2>Grejp</h2>
<p>Tvrdnja da grejp sadrži 32 kalorije na 100 grama je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/171950/nutrients">USDA FoodData Central</a>, grejp sadrži oko 32 kalorije na 100 grama i bogat je antioksidansima, što ga čini dobrim izborom za one koji žele poboljšati svoju zdravstvenu sliku.</p>
<h2>Kava</h2>
<p>Članak tvrdi da mala šalica espresso kave sadrži 2-3 kalorije. Ova tvrdnja je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/171951/nutrients">USDA FoodData Central</a>, espresso kava sadrži oko 2-3 kalorije. Međutim, kava s mlijekom i šećerom sadrži više kalorija, što je također istaknuto u članku.</p>
<h2>Čaj</h2>
<p>Tvrdnja da većina vrsta čajeva sadrži svega dvije kalorije na 100 mililitara je točna. Prema <a href="https://fdc.nal.usda.gov/fdc-app.html#/food-details/171952/nutrients">USDA FoodData Central</a>, čaj sadrži oko 2 kalorije na 100 mililitara, pod uvjetom da se pije bez šećera.</p>
<h2>Zaključak</h2>
<p>Iako su neke od navedenih namirnica zaista niskokalorične, tvrdnja da gotovo da i ne sadrže kalorije je preuveličana. Sve navedene namirnice sadrže kalorije, iako u manjoj količini. Važno je napomenuti da, iako je brojanje kalorija korisno, treba se fokusirati na ukupnu kvalitetu prehrane i balansiran unos hranjivih tvarima.</p>

Provjera tvrdnji: Namirnice koje gotovo da i ne sadrže kalorije

<p>Ivan Pernar tvrdi da se upale uha i grla mogu liječiti jodom i vitaminom C, te da je pomogao mnogim ljudima na taj način. Međutim, ova tvrdnja treba biti pažljivo ispitana.</p>
<p>Upale uha i grla mogu biti uzrokovane bakterijama ili virusima. Antibiotici su lijekovi koji se koriste za liječenje bakterijskih infekcija. Oni djeluju tako da ubijaju bakterije ili spriječavaju njihov rast. Znanstvena istraživanja pokazuju da antibiotici mogu biti vrlo učinkoviti u liječenju bakterijskih infekcija uha i grla.</p>
<p>Jod je kemijski element koji se koristi kao antiseptik za čišćenje rana i spriječavanje infekcija. Međutim, nema dokaza da jod može biti učinkovit u liječenju upala uha i grla. Vitamin C je važan nutrijent koji podržava imunski sustav, ali nema dokaza da može samostalno liječiti infekcije.</p>
<p>Prema studiji objavljenoj u časopisu <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4291206/">The Cochrane Database of Systematic Reviews</a>, antibiotici su efikasni u liječenju bakterijskih infekcija uha i grla. Studija je zaključila da antibiotici smanjuju trajanje simptoma i rizik od komplikacija.</p>
<p>S druge strane, prekomjerna upotreba antibiotika može dovesti do razvoja otpornosti bakterija na antibiotike, što je veliki problem u suvremenoj medicini. Zbog toga je važno koristiti antibiotike samo kada je to stvarno potrebno i prema savjetu liječnika.</p>
<p>Zaključak: Tvrdnja Ivana Pernara da se upale uha i grla mogu liječiti jodom i vitaminom C nije potvrđena znanstvenim istraživanjima. Antibiotici su i dalje najefikasniji tretman za bakterijske infekcije, a njihova upotreba treba biti ograničena na slučajeve kada je to stvarno potrebno.</p>
<p><br></p>
<figure><img src="https://remedia-staging.s3.eu-central-1.amazonaws.com/G_SdflPfyHFSQ-zJqOZiV/preporuka_ivana_pernara_o_lijecenju_upale_uha.jpg" height="auto" width="auto" alt="Ivan Pernar preporuča vitamin C i jod za liječenje upale uha"/></figure>
<p><br></p>

Istinitost tvrdnji Ivana Pernara o liječenju upala uha i grla jodom i vitaminom C

<h2>Introduction</h2>
<p>A recent article from The People's Voice claims that Big Pharma is against Vitamin D because it 'threatens the disease model' and suggests that increased vitamin D levels could have kept COVID-19 in check. This claim was made during an interview with Dr. Pierre Kory on Tucker Carlson's show. This article aims to review this claim and provide a thorough analysis based on scientific evidence.</p>
<h2>The Role of Vitamin D in Immune Function</h2>
<p>Vitamin D is known to play a crucial role in immune function. Studies have shown that vitamin D deficiency is associated with an increased risk of respiratory infections. A meta-analysis published in the British Medical Journal found that vitamin D supplementation reduced the risk of acute respiratory infections (<a href="https://www.bmj.com/content/356/bmj.i6583">BMJ, 2017</a>).</p>
<h2>Vitamin D and COVID-19</h2>
<p>Several studies have explored the relationship between vitamin D levels and COVID-19 outcomes. A study published in the Journal of Clinical Endocrinology &amp; Metabolism found that vitamin D deficiency was associated with a higher risk of severe COVID-19 (<a href="https://academic.oup.com/jcem/article/108/10/e1106/7116659">JCEM, 2020</a> ). However, the evidence is not conclusive, and more research is needed to establish a causal relationship.</p>
<h2>The Economic Incentives of Big Pharma</h2>
<p>The claim that Big Pharma is against Vitamin D because it threatens their business model is speculative and lacks concrete evidence. Pharmaceutical companies have a financial interest in developing and marketing drugs, but this does not necessarily mean they are opposed to vitamin supplements. Many pharmaceutical companies also produce and sell vitamin supplements.</p>
<h2>The Complexity of COVID-19 Management</h2>
<p>The assertion that increased vitamin D levels could have kept COVID-19 in check oversimplifies the complexities of the pandemic. While vitamin D may play a role in immune function, it is just one of many factors that influence COVID-19 outcomes. Other factors include age, underlying health conditions, vaccination status, and public health measures such as social distancing and mask-wearing.</p>
<h2>Conclusion</h2>
<p>The claim that Big Pharma is against Vitamin D because it threatens their business model and that increased vitamin D levels could have controlled COVID-19 is largely unfounded. While vitamin D plays a role in immune function, the evidence regarding its impact on COVID-19 is not conclusive. The management of COVID-19 is complex and multifaceted, and vitamin D is just one piece of the puzzle. More research is needed to fully understand the role of vitamin D in COVID-19.</p>

Claim Review: Big Pharma's Stance on Vitamin D and COVID-19

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