Vitamin B12 deficiency: what will happen if it is not treated

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Vitamin B12 vital for many processes in the body. It is found mainly in products of animal origin: meat, fish and milk. However, if the body cannot absorb this vitamin, the symptoms of its deficiency appear over time.

The first manifestations of B12 deficiency – pale skin or fatigue – usually do not cause much concern. But as the level of the vitamin drops more and more, dangerous consequences may occur, some of which are irreversible.

A person with a long-term deficiency of this substance may notice shortness of breath or memory impairment, difficulties with thinking “A study from the University of Melbourne found a link between low levels of vitamin B12 and an increased risk of Alzheimer's disease, dementia and Parkinson's disease,” the report said. It is thought to be caused by a lack of oxygen, as the deformed red blood cells cannot carry it effectively, and the brain suffers as a result.

Another consequence of vitamin B12 deficiency is related to its effect on the production of myelin, a substance that protects nerves. and helps them transmit impulses. Peripheral nerve damage initially manifests as tingling and numbness in the limbs, but after some time can lead to movement problems.

Vitamin B12 deficiency can only be accurately determined by a blood test. Symptoms that may indicate you have this condition include headache, depression or irritability, constipation, loss of balance, mouth ulcers, and vision changes. And also a swollen tongue, which can be pale, yellow or red. If such symptoms appear, you should immediately consult a doctor. Correcting B12 deficiency can reduce the risk of many diseases, including heart disease and neurological disorders.