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Those baby-faced people now have another reason to be smug (自鸣得意的 ): a new Danish study says looking young (47) means a longer life. Research suggests that people who look younger than their years also live longer.
In 2001, Danish researchers (48) physical and cognitive tests on more than 1,800 pairs of twins over aged 70, as well as taking photos of their faces. Three groups of people who didn’t know the twins’ real ages guessed how old they were. The researchers then (49) how long the twins (50) over 7 years.
The experts found that people who looked younger than their (51) age were far more likely to survive, even after they (52) for other factors like gender and environment. The bigger the difference in (53) age within any twin pair, the more likely it was that the older-looking twin died first.
They also found a possible biological (54) : people who looked younger also tended to have longer telomeres (端粒), a key DNA (55) that is linked to aging. People with shorter telomeres are thought to age faster. In the Danish study, the more fresh-faced people had longer telomeres.
The authors said that perceived age, which is widely used by doctors as a general (56) of a patient’s health, is a good biomarker of aging that predicts survival among people over age 70.
  • [A] actual[I] component
  • [B] predictor[J] apparently
  • [C] perceived [K] substance
  • [D] explanation [L] survived
  • [E] adjusted [M] indicator
  • [F] mentally [N] active
  • [G] tracked [O] conducted
  • [H] adopted
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