Vitamin B12 is an important nutrient for the production of red blood cells, maintaining nerve health and supporting energy metabolism. When the body is deficient in vitamin B12, many symptoms can appear, especially in the hands and feet.
Common signs on the hands and feet that warn the body of vitamin B12 deficiency include:
Tingling sensation
A common symptom of vitamin B12 deficiency is a tingling sensation in the hands and feet. This sensation is often described as pins and needles. In fact, vitamin B12 is important for maintaining the myelin sheath that surrounds and protects the nerves, according to the US health website Healthline .
Without enough of this vitamin, nerve damage can occur, resulting in a tingling sensation. If B12 deficiency is left untreated, it can lead to permanent nerve damage.
Numbness in the hands is a common sign of nerve damage due to vitamin B12 deficiency.
Numb
In addition to tingling, numbness in the hands and feet can also be a warning sign of vitamin B12 deficiency. This symptom occurs because nerve cells do not transmit signals effectively due to a lack of this important vitamin.
Numbness is a worrying sign and is often accompanied by an itchy feeling. Sufferers should not be subjective, especially when the symptoms persist and become increasingly severe.
Muscle weakness
Vitamin B12 deficiency affects the motor nerves, leading to muscle weakness in the arms and legs. This makes simple daily activities such as holding objects and walking more difficult. Over time, this condition impairs mobility and balance.
Vitamin B12 is important for the production of healthy red blood cells, which transport oxygen throughout the body. A deficiency of this vitamin can lead to anemia, which reduces blood flow and makes you feel cold in extreme weather conditions.
Sensitive to cold temperatures
Vitamin B12 deficiency not only causes cold hands and feet, but also makes the body more sensitive to cold temperatures. This is because vitamin B12 is essential for the production of healthy red blood cells, which carry oxygen throughout the body. Therefore, a deficiency of this vitamin can lead to anemia, which reduces blood flow and makes the body more susceptible to cold.
Common causes of vitamin B12 deficiency include nutritional deficiencies, malabsorption, medication side effects, and aging. To treat this condition, doctors will often recommend that patients supplement vitamin B12 by eating foods rich in vitamin B12 such as chicken, chicken liver, beef, eggs, milk, seafood, or taking supplements, according to Healthline .
Source: https://thanhnien.vn/4-trieu-chung-canh-bao-co-the-dang-thieu-vitamin-cuc-ky-quan-trong-185250216204102545.htm
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