Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a ...

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 ...

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 ...

However, vitamin D supplements have no effect on preventing falls or fractures in older adults, according to the U.S. Preventative Services Task Force. Vitamin D supplementation for postmenopausal ...

More than eight million people in the U.S. experience psoriasis, a condition in which skin cells build up and form itchy dry patches. A person's vitamin D levels could play an important role in ...