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** Psychological stress can age a women's chromosomes by 10 years, says the New Scientist. UC San Francisco researchers studied chromosomes in mothers of chronically ill children and those with healthy kids. Women who reported the most stress had the shortest telomeres, the ends of the chromosomes than shorten with aging.
** A woman paralyzed for 20 years walked after South Korean scientists repaired her damaged spine, using stem cells derived from umbilical cord blood. It's the 1st published case of a spinal cord injury treated with the building ...