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  • Writer's pictureRanganath Srinivasa Rao

Why men have bigger breast called as gynecomastia ? - causes for gynecomastia



Why guys have bigger breasts (gynecomastia) ?

what are the main causes for gynecomastia


Inadequate levels of testosterone and increased oestrogen levels will cause gynecomastia. Conditions that interfere with testosterone's actions, lower testosterone levels, or raise estrogen levels can all contribute to a decline in the hormone.



The following are some examples of factors that can disrupt the body's natural hormone balance.


Biological alterations in hormone levels

In both sexes, sex behaviors are governed by testosterone and estrogen. Male characteristics, such muscular mass and body hair, are regulated by testosterone. The hormone estrogen regulates several aspects of female development, including breast size.


Although estrogen is more commonly associated with women than males, both sexes produce some degree of the hormone. Gynecomastia occurs when a man's estrogen levels are disproportionately high compared to his testosterone levels.


Infantile gynecomastia


The estrogen in the mother causes breast development in more than half of male newborns. Within two to three weeks after giving delivery, the enlarged breast tissue usually disappears.


Pubertal gynecomastia


Hormonal changes throughout adolescence are a common cause of gynecomastia in males. Breast swelling typically resolves on its own within six months to two years.


Adult male gynecomastia


Researchers have calculated a frequency of 24-65% among males aged 50-80. The illness often shows no symptoms in men.



Medications

Many different drugs have been linked to gynecomastia.

Among these are:


  1. Prostate enlargement, prostate cancer, and other disorders are treated with anti-androgens. Flutamide, finasteride , and spironolactone (Aldactone) are all good examples.

  2. Hormone replacement therapy, accelerated puberty, or secondary muscular atrophy treated with anabolic steroids or androgens.

  3. Treatments for HIV/AIDS. Some HIV drugs, especially Efavirenz (Sustiva), can lead to gynecomastia due to their estrogen-like characteristics.

  4. Amphetamine-containing ADHD medicines, such as Adderall.Diazepam (Valium) and other anti-anxiety drugs.

  5. few antidepressant such as tricyclics group.

  6. Drugs for peptic ulcers, such as cimetidine

  7. Treatment for cancer with chemotherapy.

  8. Medicines for the heart include calcium channel blockers and the beta-blocker digoxin (Lanoxin).


Examples of gynecomastia-inducing chemicals are:


  1. Alcohol

  2. Muscle-building and performance-enhancing anabolic steroids.

  3. Amphetamines

  4. Marijuana

  5. The Methadone-Heroin Overdose



Hypogonadism. Gynecomastia has been linked to conditions that reduce testosterone production, such as Klinefelter syndrome and pituitary insufficiency.

Aging. Age-related hormone changes, especially in overweight men, might trigger the development of gynecomastia.

Tumors. Hormones produced by some cancers, particularly those of the testes, adrenal glands, and pituitary gland, can disrupt the normal ratio of male to female hormones.

Hyperthyroidism. The thyroid gland overproduces the hormone thyroxine, leading to this disease.


Chronic liver disease and failure. Hormonal imbalances caused by liver disease or treatment for cirrhosis might lead to the development of gynecomastia in men.

Deficiency of food and nourishment. Hormonal imbalances like low testosterone and steady estrogen levels result from not getting enough to eat. Resuming a normal diet may also result in gynecomastia.




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