• Inflammation is the mechanism by which the body responds to and fights infection.
• However, chronic, or long-term, inflammation is associated with many diseases, including diabetes, cardiovascular disease, arthritis, and dementia.
• Age, obesity, poor diet, and smoking increase the risk of chronic inflammation.
• A new study has added to growing evidence of a link between vitamin D deficiency and inflammation.
• The researchers suggest that, in older adults, vitamin D supplements may help reduce the risk of many inflammatory diseases.

By Katharine Lang on July 18, 2023

Fact checked by Michelle T. Wyatt, MD

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