-- Robert Preidt
MONDAY, Nov. 8 (HealthDay News) -- A new study confirms that two
common and often painful foot disorders can be inherited.
As part of the Framingham Foot Study, which examined common foot
disorders among more than 2,000 participants between 2002 and 2005,
researchers studied 675 people with a bunion deformity in which the
big toe angles towards the smaller toes (known as hallux valgus),
and 154 people with high-arched feet that don't flatten when
bearing weight (known as pes cavus). Their average age was 66, and
57 percent of the participants were female.
Using statistical genetics software, the researchers determined
that the bunion deformity was hereditary in about 39 percent of
women and 38 percent of men. They also found that the condition was
inherited in 89 percent of people under age 60.
The disorder involving high-arched feet was inherited in 68
percent of women and 20 percent of men. Among those younger than
60, the condition was inherited in 99 percent of women and 63
percent of men.
The study was slated to be presented Nov. 9 at the annual
scientific meeting of the American College of Rheumatology (ACR),
held in Atlanta.
While it's long been suspected that both of these foot disorders
can be inherited, this is the first study to document it, according
to the researchers. Both disorders can cause problems with
The high level of "heritability that we found is of great
interest, especially for the younger ages [under 60 years], because
effective interventions are available and, as with most public
health interventions, are most effective in the early stages," lead
investigator Marian T. Hannan, an associate professor of medicine
at Harvard Medical School, said in an ACR news release.
The American College of Foot and Ankle Surgeons has more about
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