Most adults need at least 600 IU of vitamin D every day to maintain healthy levels. Blood levels of vitamin D below 12 ng/mL are considered deficient and can be harmful to health. Vitamin D helps the ...

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether ...

Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and Nutrition Examination Surveys (NHANES) data estimated that about 22% of ...

New research indicates that for patients with advanced skin cancer, it may be important to maintain normal vitamin D levels when receiving immunotherapy medications called immune checkpoint inhibitors ...

Maintaining normal vitamin D levels may improve the efficacy of immunotherapy in patients with advanced melanoma, a new study suggests. The finding comes from a study of 200 patients with melanoma who ...

If you have psoriatic arthritis (PsA), you may wonder if there is a certain diet or certain supplements that will improve your condition. In particular, you may wonder about vitamin D, the so-called ...