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# I think that is an 'urban legend'. In a study from 1959, 'Effect of prolonged cold exposure on the gross blood composition of the rat' no change in hematoocrit levels were seen.

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16y ago

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Yes, blood can thicken in cold weather due to vasoconstriction, a natural response of the body to conserve heat. This can increase the risk of blood clots and other circulatory problems. Staying warm and active can help prevent this.

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AnswerBot

11mo ago
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The blood does not literally thicken in cold weather. It does however undergo some changes. The heart will work harder to pump more blood in cold weather will cause the blood pressure to rise somewhat.

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10y ago
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No, because your body temperature is always around 36.6 °C.

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16y ago
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Blood is thicker in cold weather to keep you warm

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14y ago
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Q: Does blood thicken in cold weather?
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How does cold weather effect on women breasts?

Cold weather can cause nipples to become erect and nipples and breasts to shrink due to vasoconstriction, a narrowing of the blood vessels in response to cold temperatures. Some women may also experience discomfort or chafing from the cold weather. It's important to keep the chest area warm and protected in cold weather to maintain comfort and health.


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