Rumors say: Many people will think: cold stimulation arthritis is the "culprit." Prolonged or severe cold stimulation can weaken the cartilage metabolism and immune defenses, cartilage surface ulceration, damage and inflammation.
A rumor Wikipedia:
Currently known risk factors for osteoarthritis include age, obesity, estrogen deficiency, abnormal bone density (osteoporosis and bone sclerosis), excessive exercise, smoking, vitamin D deficiency, as well as trauma, abnormal joint morphology, periarticular muscle weakness, repeated mechanical stress load and other factors. There is no evidence that the cold is a risk factor of osteoarthritis.
Why suffer from these autoimmune diseases is still an open, existing studies suggest that autoimmune disease is the result of various factors due to genetic factors, environmental factors and immune disorders combined effects. Among them, the environmental factors mainly refers to the number of past microbial infections may affect the onset and progression of the disease, but with the cold weather does not matter.
One of the major clinical manifestations of arthritis is joint pain, but the pain increased and the weather often changes related to cold and wet. Why is there such a situation, the academic world still controversial. Recent studies confirm the extent of pain in patients with osteoarthritis of the knee, respectively, and changes in ambient temperature and pressure related, although the strength of the association is not very strong. Researchers believe this may change compliance and tissues around joints and synovial fluid viscosity, and periarticular capillary permeability related. But others disagree, that is the psychological factors which play an important role. Due to weather changes have an impact on people's emotions, and negative emotions can reduce the pain threshold, so people feel the pain. Perhaps it is cold arthritis joint pain increased, only to mistakenly believe that we are suffering from arthritis cold reason.
Science squirrel members, MD Zhao Chengyuan think, really no evidence that the cold can cause arthritis. However, to make this "winter wear a skirt to wear these pants single acts purely personal habits, will not suffer from arthritis." This conclusion needs to be discretion.
Cold can cause muscle contraction, joint stiffness, joint blood flow reduction, reduce the secretion of synovial fluid. Do not pay attention to the cold weather will warm the joint probability of unintentional injuries increased indirect harm. Even without the injured in accidents, so long would undoubtedly increase the burden on joints, reduce joint life.
When talking about a "counter-stereotype" of the problem from a scientific point of view, it should be cautious. Especially when you have to be careful to make recommendations thereon. Although the cold does not directly lead to arthritis, but this implies that the girls do not have to worry about winter wear short skirts are inappropriate, in fact, pay attention to warm joints in cold weather is not wrong.
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