It turns out that Marilyn Monroe and Cindy Crawford's moles may be worth more than their aesthetic value alone: a study presented in November shows that people with moles age slower and can appear up to seven years younger than their peers.

A study conducted by researchers at Kings College London that was first published in the Cancer Epidemiology Biomarkers & Prevention Journal was presented last month to a group of doctors and scientists at the UK's Royal Society of Medicine Conference.