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Science News Archive September 2008 - Page 24


Page 24 of 24

How often do hip and knee replacements need revision?

A comprehensive study of hip and knee replacement surgeries in England found that one in seventy-five patients require revision after three years. The research suggests that different patterns may emerge over a longer follow-up period, emphasizing the need for further research to evaluate surgical procedures and types of implants.

SourcePLOS·JournalPLOS Medicine·DateSep 1, 2008

Children of older fathers more likely to have bipolar disorder

A recent study found that children born to older fathers are at higher risk of developing bipolar disorder. The study, which analyzed data from over 13,000 patients with bipolar disorder, suggests that advancing paternal age may be associated with an increased risk of complex neurodevelopmental disorders.

SourceJAMA Network·JournalArchives of General Psychiatry·DateSep 1, 2008