From antiquity, longevity and immortality of living species and individuals has been a subject of research and study for many great scientists, thinkers, and philosophers. Science claims that the fundamental unit of life is the cell and that for any living organism to live as long as possible, it must work to maintain a healthy stasis for the cells that comprise it. 112 more words
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People who regularly help others are significantly happier and less likely to become depressed as they get older.