But they continue to age, because aging is separate from their disease, Hayflick said.

2017年12月四级真题（第二套）阅读 Section C

Leonard Hayflick, a professor at the University of California, San Francisco, said the idea that aging can be cured implies the human lifespan can be increased, which some researchers suggest is possible.

2017年12月四级真题（第二套）阅读 Section C