Sunlight astamaExposure to sunlight provides Vitamin D which can help control symptoms of severe asthma as people affected with asthma are low on immunity, say experts. “Asthma patients have very low immunity and deficiency of Vitamin D, so exposure to sunlight helps building their immunity,” Vivek Nangia, director and head, pulmonary, Fortis hospital, said. Asthma is caused by inflammation of the air passages in the lungs. Vitamin D helps in reducing the inflammation. A new study by a team of scientists at King’s College London also revealed the fact that Vitamin D, which is made by the body in sunlight, calms an “overactive”more ยป