You're in the shower and suddenly you notice. Your legs are much smoother than they used to be, not because you shaved. Your chest hair has become thinner. Or maybe your eyebrows aren't as full as they are on old photos.

Welcome to one of the best kept secrets of ageing: body hair loss. While everyone's talking about the bald spot on your head, hardly anyone's talking about the rest of your body. But why not?

I found out myself when I found an old vacation photo. There I was, ten years ago, with a pretty hairy chest. Now I look down and wonder where it all went. It's not that I'm awake, but it is... separate.

And apparently I'm not the only one. After some digging, I discovered that body hair loss is much more common than you might think. The problem? Nobody talks about it. It's like we're all pretending not to.

Why We Have Body Hair (And Why It Does)

Okay, before we go into why it disappears, we need to understand why we have it. And no, it's not just evolutionary shit we haven't lost yet.

Body hair is actually pretty smart. It keeps you warm in winter and helps you cool in summer by holding on to sweat and letting evaporate. It's protecting your skin from friction. Try walking for a whole day without underwear and you know what I mean.

But there's more. For many people, body hair is connected to how they feel about themselves. A friend of mine told me he felt less masculine when his chest hair became thinner. A friend, on the other hand, was secretly happy that she had to shave less, until she began to worry if it was normal.

The point is, body hair is personal. And when it changes, it often affects more than just your appearance.

The Hormones Championship

If there's one thing I've learned about body hair, it's that hormones are the boss. What about the hormones? They do exactly what they want whenever they want.

Take testosterone. Everyone has more men, less women, but we all have it. And testosterone is responsible for a lot of your body hair. So when your testosterone level drops (which happens as you get older), then your hair production decreases.

It's even more complicated with women. Hormones fluctuate through the menstrual cycle, pregnancies, contraception, and menopause. I know women who suddenly got hair everywhere during pregnancy, and others who noticed that their leg hair almost disappeared after menopause.

Then there's your thyroid. That little organ on your neck has more influence on your hair than you'd think. An underactive thyroid can make not only your head hair thinner, but also your eyebrows, leg hair, everything.

My sister experienced this in person. For months she felt tired and noticed that her eyebrows were getting thinner. She just thought she was getting older. Until a blood test showed her thyroid gland wasn't doing well. After treatment everything grew back happily.

Ageing: The Reality Nobody Wants To Talk To

Let's be honest, getting older sucks sometimes. Not always, and there are advantages, but some things just suck. And one of those things is that your hair... well, disappears.

It often starts sooner than you think. As early as 30, subtle changes can occur. You might not notice it right away, because it's gradual. But one day you look at yourself and you think: "Huh, I'm sure I had more leg hair."

The process is actually quite fascinating, if you look at it scientifically. Your hair bags are getting lazy. They produce fewer new hairs and the hairs they do produce are thinner and weaker. It's like your body's slowly pulling the plug.

What surprised me most was that different parts of your body age at different speeds. My eyebrows became thinner already in my late thirty, but my leg hair remains reasonably intact for the time being. It's like your body decides at random what it stops doing.

When Your Own Body Betrays You

Sometimes body hair loss isn't just old age. Sometimes your own immune system attacks you. Sound dramatic? It's a little bit.

Alopecia areata is such a condition where your immune system thinks your hair follicles are the enemy. The result? Bald spots that may appear suddenly, anywhere on your body.

I have a colleague who has this. One day he noticed bald spots in his beard. A few weeks later, parts of his eyebrows had disappeared. He said the unpredictability was the worst. You never know where the next bald spot will appear.

The good news is it comes back to her a lot. The bad news is that you never know when, and if it will disappear again. It's an emotional roller coaster that nobody wants to sit on.

The Adverse Reactions that No One Lists

Here's something doctors often keep quiet about: Drugs can make your hair disappear. Yeah, everyone knows about chemotherapy, but there are a lot more drugs that can cause body hair loss.

Blood thinners, some antidepressants, some painkillers, they can all affect your hair growth. The problem is that doctors often do not mention this because they focus on the more important side effects.

My father noticed his leg hair disappeared after he got blood thinners after heart surgery. When he asked his cardiologist, he shrugged his shoulders and said, "Yes, that happens." Like it was nothing. It felt like something to my dad.

The point is: if you're on medication and you notice hair loss, ask for it. Maybe there are alternatives. Maybe not. But you have a right to know.

What You Eat, see You Back In Your Hair

This is where it gets interesting. Your hair actually tells you what's wrong with your diet. It's like an indicator on your dashboard.

Iron deficiency is one of the most common causes of hair loss. Especially women suffer from the monthly blood loss. But vegetarians and vegans must also be careful. Iron from plants is not as well absorbed as iron from meat.

I myself discovered that I had a vitamin D-deficit when my GP did routine blood tests. I worked in a lot and didn't get out much. My hair got thinner and I felt tired all the time. After a few months of supplements there was a clear difference noticeable.

B vitamins are also crucial. Especially B12, which is mainly in animal products. Many vegetarians and vegans get too little inside and notice that their hair becomes weaker.

The solution is not always taking supplements. Often it simply helps to eat more consciously. More green vegetables, nuts, seeds, fish if you eat that. Your hair will thank you.

Stress: The Silent Killer Of Your Hair

Here's something I've experienced in person: stress can literally make her fall out. Not right away, but a few months after you've had a stressful period.

During a particularly difficult period at work I noticed that my leg hair became thinner. It took me a while to make the connection. Chronic stress increases your cortisol level, and it disrupts your whole hormone system.

But there is also trichotillomania . . a condition in which people compulsively pluck their hair. It sounds weird, but it's more common than you think. Stress, boredom, concentration, there are several triggers. The problem is that in the long run you can do permanent damage to your hair follicles.

Someone I knew had this with her eyebrows. When she was stressed, she picked it without realizing it. Eventually, she was running out of eyebrows. It took months of conscious therapy to get rid of it.

What You Can Do (And What Doesn't Work)

Okay, enough about the trouble. What can you do about it?

Frankly, it depends on what's going on. If it's hormonal, hormone therapy can help. Thyroid problems are often treatable with medication. Nutrition deficit can be tackled with the right supplements and nutrition.

Minoxidil, that stuff that people put on their heads against baldness, also works on other parts of your body. I know someone who uses it on his eyebrows with reasonable success. It's not a miracle cure, but it can help.

Hair transplant is an option for people who really care. You can move her from one place to another. It's an operation, but the results can be impressive.

But sometimes acceptance is also an option. I mean, why would you have to have hair everywhere? Maybe less shaving is useful. Maybe it doesn't matter after all.

The Mental Side of the Story

This is where we got to get serious. Body hair loss can hit you pretty hard, emotionally. Especially when it's connected to how you feel about your manhood or femininity.

I have friends who feel less attractive because of their changing body hair. Others who are worried about what their partner thinks. Others who fear it is a sign of a more serious health problem.

All these feelings are valid. It's okay to feel bad about that. It's okay to have nothing. Everyone reacts differently.

What's not right is to suffer in silence. If body hair loss affects your life, talk about it. With your partner, your doctor, a therapist. You're not vain or shallow Because you're worried about what you look like.

When to Search Help

Suddenly, extensive hair loss all over your body is not normal. Especially if it is accompanied by other symptoms such as fatigue, weight change, or skin problems. Then it's time to go to the doctor.

Even if you feel really bad about it, professional help is a good idea. There are dermatologists who specialize in hair loss. There are therapists who can help you deal with the emotional side.

You don't have to be tough and pretend you don't care if you don't. There are options available, and you deserve to feel good about yourself.

The Future Looks Hopeful

The good news is, science doesn't stand still. We're working on stem cell therapy, gene therapy, new growth factors. Maybe in the future we can just grow new hair bags where we want them.

3D printing of hair follicles sounds like science fiction, but it's already under investigation. Personalized medicine where treatments are tailored to your specific genetic profile. The possibilities seem endless.

But until then, we have to do what we have now. And frankly, that's a lot.

The Last Word

Body hair loss is one thing. It happens, it's normal, and you're not alone in it. Whether it bothers you or not, both are fine.

The important thing is that you understand what is happening and what are your options. Sometimes you can do something about it, sometimes you can't. Sometimes you want to do something about it, sometimes you don't care.

Whatever it is, accept your feelings about it. Talk about it when you need it. Get help if you need it. And remember, you're more than the amount of hair on your body.

Your body changes. That's what bodies do. And that's okay, even if it doesn't feel like it sometimes.