Asthma is one of the most common respiratory diseases worldwide. During an asthma attack, the airways become constricted, leading to symptoms ranging from wheezing and coughing to severe shortness of breath. Severe attacks also often bring with them feelings of panic, excessive sweating and an increased pulse rate.
Faced with the increasing numbers of sufferers, more and more studies are focusing on the connection between vitamin D and asthma. The causes of asthma have still not been adequately researched. However, it has been shown that modern lifestyles, with factors including too little sunlight, too little exercise, obesity and insufficient intake of calcium can increase the likelihood of developing respiratory disorders.
Vitamin D plays a particularly important role in this respect. Many studies have shown that vitamin D has a positive effect on the immune system. Vitamin D activates the T cells in the body so that they can seek out and destroy bacteria and viruses. Therefore, lack of vitamin D can lead to a decline in lung function and increase the likelihood of asthmatic disorders.
Scientists have observed how asthma is more common in northerly latitudes than in southern countries. The disease also tends to get worse during the winter months. "In light of these results, it's not just asthma patients who should ensure they get regular UV exposure", says Ad Brand of the Sunlight Research Forum (SRF). The risk of vitamin D deficiency is particularly high in winter when there is little natural sunlight, and this can have a negative effect on the immune system. This is when it can make sense to visit a solarium as a preventive measure.
The Sunlight Research Forum (SRF) is a non-profit organisation based in the Netherlands. The SRF works to communicate new medical and scientific research into the effects of moderate UV exposure on humans.
