Since their first appearance, breast prostheses have been criticized as being both responsible for and giving rise to systemic disease. The literature contains many reports on the subject, and theories were controversial from the 1980s to the 2000s. The aim of this review was to gather together the most important studies on breast prostheses and systemic disease, with particular attention to connective tissue disease (CTD), in order to verify any relationship between silicone breast implants and the occurrence of pathologies.