We have evidence now that vitamin D deficiency and the development of melanoma — the most deadly type of skin cancer — are related. (mindbodygreen.com)
Vitamin D deficiency has been linked to many types of cancers including the most deadly types of breast cancer. (wellnessmama.com)
A particularly efficient and deadly type of toxin punches holes in the membrane of host cells, and thereby kills them. (sciencedaily.com)