Living Longer: Increasing Lifespan May Be in Our Control

Scientists may be able to make substantial gains in extending not only the length of human life, but the quality of life as we age, according to many researchers. That won't be limited to breakthroughs in the laboratory. To a significant extent, it will depend on how we live our lives. As for the scientists, first they have to answer a very basic question. Why do humans live longer than any other mammals? For starters, we are big. Long ago scientists recognized a relationship between body...Full Story
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