Robust evidence is in: vitamin D pills protect against colds and flu
After looking at data from more than 11,000 participants, it observed that those who took regular supplements were better protected against infection.
Our primary source of vitamin D is sunlight on the skin, though it can be obtained through a few foods, such as oily fish and fortified dairy products.
Among participants with baseline vitamin D deficiency (less than 25 nmol/L) a strong protective effect was seen (adjusted odds ratio 0.58, 95% CI 0.40-0.82, number needed to treat =8) in 538 participants in 14 studies (P=0.002), they wrote in BMJ.
In the US, vitamin D is already added to milk, however, a 2010 study found that 42 percent of American adults were deficient in the vitamin, which is also needed to strengthen bones.
Technically, two different vitamins - D2, which mainly comes from supplements and food, and D3, which comes from the sun - the fat-soluble vitamin D works in our bodies to help build up bone strength. It assessed the overall effect of supplementation on the incidence of acute respiratory tract infections.
Those who had low vitamin D levels before they started supplementation got the biggest benefit: For people with the most significant vitamin D deficiencies (blood levels below 10 mg/dl), taking a supplement cut their risk of respiratory infection in half.
The researchers concluded that these results add to the body of evidence that fortifying widely eaten foods with vitamin D would improve public health.
These, it says, should be taken for improved bone and muscle health.
Do you need a vitamin D supplement?
According to recommendations from the Institute of Medicine, most adults need about 600 IU (international units) of vitamin D per day while the elderly (over 70 years) are advised to intake 800 IUs per day. The only health problem that can be prevented by vitamin D supplements is osteomalacia.
Respiratory tract infection refers to any infection of the throat, airways, sinuses or lungs, with the common cold being the most widespread of the illnesses.
However, the results fit with the observation that colds and flu are most common in winter and spring, when levels of vitamin D are at their lowest. In the United States, for example, milk is fortified with vitamin D.
In order to show the benefits of this vitamin, researchers took multiple trials.
Professor Louis Levy, head of nutrition science at PHE, said: "The evidence on vitamin D and infection is inconsistent and this study does not provide sufficient evidence to support recommending vitamin D for reducing the risk of respiratory tract infections".
Philbin said on the day of their final episode together, he told Ripa that "Every morning, I'll think about this", per People . Would it be every night? When asked if he would consider being the face of another talk show, Philbin had many questions.
Spellings, Jr. sold 15,678 shares of Exxon Mobil Corporation stock in a transaction that occurred on Tuesday, December 6th. The share price of $22.27 is at a distance of 48.8 percent from its 52-week low and down -3.56 percent versus its peak.
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Trump later criticized CNN again, saying that he won because he gave speeches, not because voters watched CNN . Trump also praised the Fox News morning program, "Fox and Friends", calling the hosts "honorable people".
There, Justin was "play fighting" with Kyle Massey when he realized someone from the restaurant staff was recording the action. As much as I find Bieber super annoying, maybe don't record him at all times and put your phone away if you're asked.
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They're a top European club who, not so long ago, were winning the Champions League", he added. However, Marcos Rojo will be available for selection ahead of the Manchester United vs St.
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