Delgado who has performed these kinds of surgeries describes what hes witnessed due to the build-up of tissue in men.* Pseudo-gynecomastia: Build up of fat in the breast area caused by weight gain is known as pseudo-gynecomastia. It does not grow beast tissue. Dr.* Steroids: The development can occur in men when body builders or athletes use steroids even if it is not a big amount.Close to 60% of men suffer from a condition commonly referred to as "man boobs".What causes gynecomastia? A hormone imbalance that begins at puberty which is caused by several factors like drugs, weight gain and even steroid use.* Puffy nipples* C and D-cup size breasts* Leakage* Weight gain sometimes prevent the fat from going awayThe kind of surgery performed depends on the type of gynecomastia and the amount of tissue that needs to be removed. A procedure of this kind doesnt come cheap and can range from $8,500 and $12,000. The psychological effect on men suffering from the condition can be damaging. Miguel Delgado, a San Francisco-based plastic surgeon talked to the Daily Mail about the common forms of man boob and the process of correcting it. It is the second most common form..Dr.Common forms:* Puberty: Swollen male breast tissue is common in teenage boys during puberty. Delgado explained that it goes away in 50% of those who get it at this stage. Gynecomastia its official term is causing a growing number of men to opt for cosmetic surgery to reduce the size, cosmetic PE bottles manufacturers a report by the Daily Mail revealed. If the breast tissue grows due to steroids, it will continue to grow.