Humans are not alone in suffering the ravages of aging. Cockroaches endure it, too.
Case Western Reserve University researchers reported in the Journal of Experimental Biology that as the roachs life wanes between 60-65 weeks after the onset of adulthood, and the cockroach slows down, experiences stiff joints and has problems climbing and a decreased spontaneous fleeing response. Death comes shortly after the onset of these movement problems.
Angela Ridgel, a post doctoral fellow at Case, was the lead author on the National Institute of Health-funded study, "Effects of aging on behavior and leg kinematics during locomotion in two species of cockroaches." Her research looked at walking, climbing and righting behavior in the roach species, Blaberus discoidalis. She wrote the paper with Roy Ritzmann, professor of biology, and Paul Schaefer, a former Case graduate student who studied escape behavior in Periplaneta americana and contributed information about the roachs central nervous system and escape behavior.
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