Why Does Only One Twin With the Same Hair Loss Gene Experience Hair Loss?

While some people start losing their hair in their 20s, others maintain thick hair well into their 60s.

Many people think this is due to "genetics." Of course, genetics matter.

But there is one even more important factor: epigenetics.

DNA is the blueprint of our body, but how that blueprint is actually "read" and works depends on the environment and lifestyle we live in.

We call this gene-regulating system the epigenome.

Even if you have hair loss genes, they may not be expressed.

Even if you carry genes that make you susceptible to hair loss, those genes can be prevented from actually being expressed.

For example, even identical twins with the same genes may differ, with one developing hair loss and the other not.

What creates that difference is lifestyle.

Genes only tell us about "possibility"; they are not "destiny."

If genetic information is managed well, hair loss genes can be kept quietly dormant.

Helpful lifestyle habits that prevent hair loss genes from being expressed

Stress management: Chronic stress can interfere with hair follicle activity and may cause hair loss.

Adequate sleep: Sleep is very important for improving scalp blood flow and maintaining hormonal balance.

Balanced nutrition: Iron, zinc, vitamin D, protein, and more are the foundation of healthy hair.

Keeping the scalp clean and maintaining circulation: Sebum control and inflammation prevention are essential for keeping hair follicles healthy.

Regular exercise: It helps whole-body circulation and reduces stress, positively affecting hair growth.

These habits help suppress the expression of hair loss genes and are a great help in maintaining healthy hair.

So, does that mean efforts to identify hair loss genes are no longer necessary?

Genes are still useful.

It is like looking at a map.

They tell you which directions are risky and where you should be careful.

But it is you who actually chooses the path and walks it.

Knowing about your genes becomes very useful information for designing lifestyle habits that suit you.

In the field of hair loss, where early management is especially important, genetic information can be a major clue.

Hair and hair loss are not determined by genetics alone.

If DNA is the seed, lifestyle is the soil and weather in which that seed takes root.

Understanding my genetic information and managing it in daily life so that it does not work against me.

That is the smartest hair loss prevention method we can practice today. Rather than concluding, "Since hair loss is genetic, there is nothing I can do," think about it this way instead.

The real management is not waking up the genes.

It is time for hairhair, this was Kim Jin-oh.

Pilsaengsinmo (必生新毛).

[This post is written directly by a board-certified plastic surgeon for informational purposes in accordance with Article 56, Paragraph 1 of the Medical Service Act. Hair loss surgery and treatment may have side effects, and you should make a careful decision after consulting with a specialist.]