A new study in the Journal of Clinical Investigation found that Vitamin D may be able to prevent and even treat allergies to common molds. Mold allergies are a nuisance to people who have them, but they can be dangerous for those with asthma or cystic fibrosis. The study discovered that people who developed these allergies had lower levels of vitamin compared to healthy people. Vitamin D not only helped lower the levels of allergy-driving proteins, but it also boosted the production of proteins that increased the body’s resistance to this type of allergy. This means that maintaining adequate vitamin D levels can not only help to prevent but also help those who already have such allergies.…