Low Vitamin D related to rise in severe bronchiolitis among infants

Low vitamin D is common among infants with bronchiolitis and is associated with an increase in the severity of the disease, according to a new Spanish study. Bronchiolitis is a lung infection common in young children. About one in three infants develop bronchiolitis in the first year of their life. The disease causes the small airways, known as bronchioles, to become congested which leads to cold-like symptoms and possibly wheezing and difficulty breathing. In epidemiological research, the prevalence of various conditions is often associated with time of year. This may relate to a variety of factors, with one of those