Original sentence: Low vitamin D levels are associated with some cancers and with worse outcomes in other cancers.Results for a protective or harmful effect of vitamin D supplementation in various types of cancer are inconclusive.The current medical consensus is that it is unlikely that taking vitamin D supplements has any effect on cancer
Edited sentence: Research has found it unlikely that taking vitamin D supplements has any effect on cancer.Vitamin D hypovitaminosis is associated with some cancers and with worse outcomes in other cancers