Do Nerve Cells Recover?

28 octobre 2025

2 min de lecture

Ouvrir le guide Ouvrir la collection Ouvrir la série

For a long time, the phrase "Nerve cells do not recover" was so commonplace that this statement firmly stuck to our minds. Is this really true?

Points clés

For a long time, the phrase "Nerve cells do not recover" was so commonplace that this statement firmly stuck to our minds.
What influences the life of nerve cells?

Pour qui

Ceux qui explorent Nervous system à travers nerves, stress.

Pourquoi c'est important

Cet article vous aide à vous orienter rapidement, puis à passer à une collection ou une série si vous souhaitez aller plus loin.

Auteur de l'article

Dr. Julia

neurologist, reflexologist, Institute of Health

The author of this theory is thought to be the Spanish doctor and founder of neurobiology, Santiago Ramon y Cajal. He argued that all neural pathways are immutable and fixed. The experience process is associated with the respiratory rhythm. If a person is worried, breathing becomes frequent and shallow, which causes the brain and other organs to stop receiving sufficient oxygen. As a result, the process of neuron atrophy begins. This is irreversible.

This theory resonated widely, and many people (including doctors) took it on faith without even thinking that a person loses tens of thousands of neurons per day. If they weren't recovering, then most of us would be mentally retarded by the age of 30. So they are certainly recovering! We can hinder or help this process through our actions.

What influences the life of nerve cells?

Intellectual load. No need to do quantum physics or learn three foreign languages at the same time. It is about the regular cognitive activity. Watching educational programs, reading books, studying history, or learning new culinary recipes—any activity related to the development of a new one is preventing neuronal degradation.

Overeating. According to one theory, there is a direct link between being overweight and a reduced rate of neuronal regeneration. Eating an excess of 20 % or more calories a day almost halves the rate of synthesis. It is not yet clear whether this applies in 100 % of cases.

Chronic stress. Long-term psycho-emotional stress makes the adrenal glands produce the hormones cortisol and adrenaline, which inhibit the synthesis of neurons.

Alcohol. Ethanol and its breakdown products accumulate in the brain tissues. Previously, it was believed that this directly destroys the neural fibers. In fact, the processes of neurons are destroyed, which means that the signal no longer passes through them. Because of this, the mechanism does not work and atrophies. The recovery rate drops by 50-70 %. However, the good news is that if you cut out alcohol, things will bounce back pretty quickly.

The use of certain drugs. The use of psychotropic drugs has an especially negative effect on the state of nerve cells. The mechanism is similar to the one that alcohol has on the body: drugs block the transmission of nerve impulses.

Lack of sleep. The body's biological clock is designed in such a way that the synthesis of cortisol weakens closer to nighttime, and melatonin is more actively produced. If this fails, the production of cortisol increases and the metabolism in the cerebral structures slows down. While the amount of sleep is important, getting quality overnight sleep is equally important.

Continuer la lecture

Nervous system#tremor

Why Are Your Hands Shaking?

7 reasons that should not be ignored.

Dr. Alex28 oct. 2025

Nervous system#nerves

Can Restless Legs Syndrome Be Cured?

When you lie in bed or sit comfortably in a chair, do your leg muscles hurt, burn, or tingle? If so, it could be restless legs syndrome (RLS).

Dr. Marina28 oct. 2025

Nervous system#stress

Are All Illnesses Caused by Stress?

Is it possible to get sick with cancer because of stress? Is it true that calm people get sick less often? Let’s look at how our emotions affect our physical health.

Dr. Julia28 oct. 2025

Mental health#depression

New Study Confirms Vitamin D Does Not Reduce the Risk of Depression in Adults

Vitamin D is one of the most widely-discussed vitamins: its deficiency is blamed on everything from low immunity to mood swings, and its effectiveness is widely accepted. However, according to a number of studies, claims about the benefits of vitamin D are sometimes overstated.

Darya28 oct. 2025

Installez Ornament pour non seulement lire ces articles, mais aussi suivre votre santé, enregistrer vos résultats d'analyses et accéder à d'autres fonctionnalités utiles

Installer Ornament