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Cycling keeps us fit and
. It is good for our
and our mental health. A surprising
of cycling is it is good for our knees. A new study says
have less knee pain when they get
. Researchers looked at 2,600 people, with an
age of 64. They asked the people about their
activity. They also took
of the people's knees. The
checked the X-rays for
of arthritis in the knees.