'Knock knee' syndrome occurs due to the pollution of
A
Heavy metals
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B
Nitrates
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C
Fluorides
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D
Phosphates
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Solution
The correct option is C Fluorides Knock knee syndrome or Genu Valgum is a condition where the knees are directed inwards even when the ankles are spaced normally.
As a result when the person walks the knees touches each other.
Usually the cause of knock knees is vitamin D deficiency.
But excess fluoride in the body can also lead to knock knees.