It was estimated that 84% of moles that appear after this age are inherited.

BBC: Twins offer skin cancer clue

Posts which could identify the teens' age or location should only appear in searches by friends and "friends of friends" in the same age group.

BBC: Facebook social graph search results limited for teens

But researchers at Albert Einstein College of Medicine in New York have pinpointed one reason for Tauber's longevity: her DNA. Examining the genes of Tauber and 350 other Ashkenazi Jews who are nearing age 100, Nir Barzilai and his colleagues have identified three genes that appear to promote long life by protecting against the diseases of old age.

FORBES: Researchers are unlocking the mysteries of aging.

Once seen as a messiah destined to save U.S. soccer from perennial mediocrity, Adu rose to fame at age 14 by becoming one of the youngest players in decades to appear in a professional U.S. sports match.

WSJ: Freddy Adu Is Headed to Brazil

Sir Michael and his staff of officials have a uniform of knee breeches and swords, which appear to many as quaint throwbacks to a previous age.

BBC: Protesters were within inches of frontbench

Clark became the youngest forward to appear in the Guinness Premiership when he made his debut for Leeds against Saracens on 30 September 2007 at the age of 18 years and 112 days.

BBC: Fourie facing weeks on sidelines