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The maximum human lifespan is suggested to be 115 years. [49] [50] The oldest reliably recorded human was Jeanne Calment, who died in 1997 at 122. Dementia becomes more common with age. [51] About 3% of people between the ages of 65 and 74, 19% of those between 75 and 84, and nearly half of those over 85 years old have dementia. [52]
Generally the mark of a gerontocracy is the presence of a substantial number of septuagenarian or octogenarian leaders—those younger than this are too young for the label to be appropriate, while those older than this have generally been too few in number to dominate the leadership.
septuagenarian, octogenarian (a person 70–79 years old, 80–89 years old) centipede, millipede (subgroups of arthropods with around 100 feet, or around 1 000 feet) In many European languages there are two principal systems, taken from Latin and Greek, each with several subsystems; in addition, Sanskrit occupies a marginal position.
Adult development encompasses the changes that occur in biological and psychological domains of human life from the end of adolescence until the end of one's life. Changes occur at the cellular level and are partially explained by biological theories of adult development and aging. [1]
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The global challenge we should be talking more about.
Traditions that have been believed to confer greater human longevity include alchemy. Nicolas Flamel (early 1330s – c. 1418) was a 14th-century scrivener who developed a reputation as alchemist and creator of an "elixir of life" that conferred immortality upon himself and his wife Perenelle.
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.