Years of potential life lost (YPLL) or potential years of life lost (PYLL), is an estimate of the average years a person would have lived if he or she had not died prematurely. It is, therefore, a measure of premature mortality. As a method, it is an alternative to death rates that gives more weight to deaths that occur among younger people. Another alternative is to consider the effects of both disability and premature death using disability adjusted life years.
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“In ten thousand years the Sierras
Will be dry and dead, home of the scorpion.”
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“The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience ... not from our mental resolution to try a new form of life.”
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“Those of us who were brought up as Christians and have lost our faith have retained the sense of sin without the saving belief in redemption. This poisons our thought and so paralyses us in action.”
—Cyril Connolly (1903–1974)