What Causes Man Boobs?

Man Boobs Causes and Treatment

Gynecomastia is a condition where men develop enlarged breast tissue, which can cause a noticeable chest fullness that is not typical of a male chest shape.

Both men and women are born with some breast tissue, but in men, it is usually small and underdeveloped. In gynecomastia, this tissue grows beyond normal limits, leading to a more prominent or protruding chest.

This can occur due to a range of medical or hormonal factors that cause the breast tissue in men to enlarge.

Enlarged breasts in men is sometimes referred to as “man boobs”, and in most men, it is a result of excessive body fat. Some men naturally store more fat around the chest, which can make the chest appear fuller. In these cases, exercise and reducing body fat can help improve the look of the chest.

However, gynecomastia is a different condition that involves the growth of actual breast tissue rather than just fat. It is fairly common during puberty, affecting many teenage boys due to hormonal changes. In most cases, it settles on its own, although a smaller number of men continue to have it into adulthood. Where gynecomastia hasn’t settled on its own or through other interventions such as lifestyle changes and medication, surgery may be the best next option.

What Causes Boobs in Men?

Gynecomastia is often linked to a hormonal imbalance between testosterone (male hormone) and oestrogen (female hormone). Both hormones are present in everyone, but breast tissue is more sensitive to oestrogen. In men, higher levels of testosterone usually keep breast tissue from developing.

Hormone fluctuations can lead to an imbalance and result in enlarged breast tissue, but this is not the only factor that can cause enlarged breasts.

Here are several possible causes of enlarged male breast tissue:

Steroid use
Anabolic steroids cause hormonal imbalance, causing the body to produce more estrogen, which is what causes breast tissue to grow.

Excess body fat
Higher levels of body fat reduce testosterone levels and increase oestrogen activity. This ‘female’ hormone is what causes breast tissue production.

Very restrictive diets
Severely undereating or having a poor diet can also disrupt hormone levels and reduce testosterone. In some cases, gynecomastia can develop during periods of starvation.

Alcohol misuse
Long-term heavy alcohol use can affect liver function, which plays a role in regulating hormones. Oestrogen levels rise when the liver isn’t working properly.

Medication

Some medicines, such as certain blood pressure drugs, antidepressants, and antibiotics, have been linked to gynecomastia. It’s important to speak to a GP if you think medication may be contributing to your symptoms.

Recreational drugs
Some recreational drugs have been associated with changes in hormone levels, which can contribute to breast tissue development.

Certain personal care products
Some products containing ingredients like lavender oil or tea tree oil have been suggested in research to potentially affect hormone activity when applied regularly to the skin.

Overall, gynecomastia can have a range of different causes, and identifying the underlying factor is important in understanding how best to manage it.

What Other Medical Conditions Might Contribute to the Development of Enlarged Male Breasts?

Hormone-producing tumours
In rare cases, growths in the testicles or adrenal glands can affect hormone production. This can disrupt the balance between testosterone and oestrogen, which can lead to breast tissue enlargement.

Kidney failure
Kidney problems can cause hormonal and metabolic changes in the body. Some people on dialysis experience gynecomastia due to these imbalances.

Overactive thyroid (hyperthyroidism)
When the thyroid produces too much hormone, it speeds up the body’s metabolism and can also disrupt hormone balance, increasing the relative effect of oestrogen compared to testosterone.

Low testosterone (hypogonadism)
When testosterone levels are too low, the balance between hormones shifts, which can contribute to breast tissue growth.

Ageing
As men get older, hormone levels naturally change. Combined with possible weight gain, this can increase the likelihood of developing gynecomastia.

Can Certain Foods Cause Man Boobs?

Foods that contain natural compounds similar to oestrogen, or that affect hormone balance, may play a role if consumed in excessive amounts.

Commonly discussed examples include:

Soy products

Soy contains plant-based compounds that can act similarly to oestrogen in the body; this can be a possible factor in hormone imbalance.

Dairy products
Dairy can contain small amounts of naturally occurring hormones. It is still a healthy part of most diets, but some people believe excessive intake may contribute to hormonal changes, although the evidence is mixed.

Processed and deep-fried foods
Foods high in saturated fat and heavily processed ingredients can contribute to weight gain, which may affect hormone balance and increase fat storage in the chest area.

Highly processed meats
Some processed meats are high in fat and preservatives, which can contribute to overall poor diet quality and weight gain if eaten frequently.

Alcohol
Alcohol can affect liver function, and the liver plays a role in hormone regulation. Heavy drinking may therefore contribute to hormonal imbalance over time.

Can gynecomastia be reduced naturally?

Some lifestyle approaches may help reduce the appearance of chest fat, but results vary depending on the underlying cause.

Regular exercise
Exercise can help reduce overall body fat and improve chest muscle tone, which may improve appearance, but it will not remove glandular tissue.

Balanced diet

Maintaining a healthy weight and overall health may help reduce fat-related chest fullness.

Green tea
Green tea is often linked to metabolism support due to its antioxidant content, but its effects on gynecomastia are limited.

In general, lifestyle changes can improve overall body composition, but they don’t usually eliminate true gynecomastia, especially when glandular tissue is involved.

How are man boobs treated?

The first step in the male breast reduction patient journey involves a detailed face-to-face consultation with your surgeon, where your surgeon will discuss with you whether gynecomastia is a suitable procedure for you. In some cases, your surgeon may perform an ultrasound scan to rule out any cancerous changes, especially in unilateral gynecomastia, which is painful and has developed quickly.

Gynecomastia Surgery Techniques

Treatment for enlarged male breast tissue (gynecomastia) depends on what is causing it and how severe it is. If it’s linked to certain medications, your doctor may suggest stopping them or switching to an alternative. Treating any underlying medical condition can also help reduce symptoms in some cases. Surgery can then be considered if lifestyle or medical changes have not been successful.

Liposuction

This is commonly used when there is excess fat in the chest. Liposuction removes fat and helps reshape the chest, but it’s important to note that fatty tissue in this area can be more fibrous than other parts of the body, so specialised techniques are required.

Surgical removal

If there is glandular (firm) breast tissue, it usually needs to be removed surgically. This type of tissue cannot be treated with liposuction alone.

BodyTite

After fat removal, some patients may benefit from skin tightening procedures such as BodyTite, can help the chest look firmer and more contoured, without the need for larger surgical scars.

Overall, the most suitable treatment depends on whether the issue is mainly fat, glandular tissue, or a combination of both.

What to expect during a gynecomastia procedure:

Gynecomastia is usually performed under general anaesthesia, and the operation takes up to 2 hours, depending on the complexity of the case. Small incisions are made, usually around the areola or under the chest. The surgeon then removes excess fat and glandular tissue to create a flatter, more masculine chest shape. In some cases, loose skin may also be removed before the incisions are closed with stitches.

Recovery can take up to two weeks, depending on the individual. It is important to follow your surgeon’s aftercare advice to help reduce the risk of complications and ensure proper healing.

Frequently Asked Questions Pertaining to the Causes and Management of Enlarged Male Breasts

What causes enlarged male breasts (gynecomastia)?
Gynecomastia can be caused by many factors. The most common is a hormone imbalance, where oestrogen levels are higher than testosterone levels. It can also be linked to certain medical conditions, medications, lifestyle factors, or, in some cases, diet. A medical assessment is usually needed to determine the exact cause and select the best treatment.

Can it be reduced at home?
Some lifestyle changes may help improve its appearance, such as regular exercise and a healthy, balanced diet. These can reduce overall body fat. Some people also use things like green tea or ginger to support metabolism, but these won’t treat the underlying cause if true gynecomastia is present.

What happens if it is not treated?
Gynecomastia is not usually dangerous from a physical health point of view, but it can have a strong emotional and psychological impact. Many men feel self-conscious or distressed about it. Because of this, some choose to seek medical advice to explore treatment options and decide what’s best for them.

Why Choose Centre for Surgery for Your Gynecomastia Surgery?

Centre for Surgery is your go-to clinic in London for specialist plastic surgery treatments, and we excel in tackling conditions like gynecomastia. Our team comprises some of the most skilled and experienced surgeons in the field who are committed to delivering the highest quality of care.

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We pride ourselves on offering the latest, state-of-the-art treatments, employing cutting-edge surgical techniques that are tailor-made for each individual patient.

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From your initial consultation to post-surgery aftercare, we offer a fully integrated and comprehensive treatment pathway.

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Situated at 95-97 Baker Street in London, we are easily accessible and offer a discreet, professional environment where you can feel comfortable discussing your needs.

Learn More

For more in-depth information about gynecomastia and your options for treatment, visit our plastic surgery blog: Centre for Surgery Blog.

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Don’t let gynecomastia hold you back any longer. Choose Centre for Surgery for your journey towards a more confident you.

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