muscle stiffness and joint pain are common complaints when the weather gets colder, but science on the fence. one study debunks the connection, but another report links aches and pains to weather changes. dr. robert inman, medical director at the university health network’s arthritis program says that “the biology underlying this association is not well understood.”
science may not always untangle every cause and effect or explain why we feel the way we feel on some days. one possible explanation is that when cold temperature strikes, more blood flows to the heart and lungs, which causes the vessels in the joints to constrict. when there is less blood flow, those areas of the body feel cold and stiff.
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another theory is that “changes in barometric pressure can cause an inflammatory response in the joints,” lauren farrell, a physical therapist and clinic director of professional physical therapy in hoboken, n.j., told self. she adds that while this response could lead to increased joint pain “due to changes in circulation and possible nerve fiber sensitivity,” there’s not a lot of evidence to back this up.
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