A systematic review and meta-analysis of published studies found that 71 percent of melanomas arose as new spots and 29 percent grew from existing moles.
A systematic review and meta-analysis of published studies found that 71 percent of melanomas arose as new spots and 29 percent grew from existing moles.
Bacteria, viruses, and fungi are integral to human health. Find out why their contribution is so important and how modern life threatens their existence.