For parents of teenagers, puberty can be a tumultuous time. In an adolescent's life numerous mental and hormonal changes are taking effect and changing your son into an entirely new person. Fortunately, by paying attention to a few...
Puberty is a time of change for girls and boys. Girls usually start going through puberty before boys. Puberty usually begins with her breasts and progresses to her starting her period. It is essential for her to understand the changes and learn...
Young people between the ages of 12 and 18, also known as adolescents, undergo a wide array of changes as they make the transition from childhood to adulthood. Many of those changes are physical and range from general increases in body size to the...
Testosterone is a hormone that's produced and secreted in the testicles of males. It's the primary hormone in sexual development during male puberty and in muscle development. Women produce testosterone in the ovaries and adrenal glands but in...
Testosterone is the principal male sex hormone. The testicles are the primary site of testosterone production. Throughout life, testosterone has in important role in male development and health, which begins before birth and extends through...
Puberty represents a time of many changes for young men. Rising hormones cause their voices to deepen and more body hair to grow. Unfortunately, those hormones can also lead to the development of acne. Because a teenager's self image is at its...
Testosterone is a sex hormone produced primarily in the male body, although females produce small amounts of the hormone. The testes produce most of the testosterone for a man's body. During male puberty, testosterone is responsible for the...
For transgendered individuals, the start of hormone therapy can be exciting and anxiety-provoking. Because a trans man's genetic gender does not match his brain gender, testosterone therapy is administered to help masculinize his body. When a man...
Symptoms of low testosterone levels in adult men may indicate male hypogonadism. This condition occurs when a man's body does not produce enough testosterone hormone. According to MayoClinic.com, adult men with low testosterone levels may...
Testosterone drives the physical and psychological transformation that teenage boys experience during puberty. The onset and completion of puberty is unique to each person. Male puberty begins as early as age 12 or 13 and completes around age 20....
Although testosterone is commonly known as the male hormone, it actually plays an important role in the development and function of the bones, muscles, heart and blood vessels in both boys and girls. Early on, testosterone levels guide the...
It's a common joke that we end our life in the same way we start it--in diapers. But, it is true that our bodies change constantly. Puberty is when kids start to mature physically, psychologically, cognitively and socially. This is when girls...
Many athletes and bodybuilders spend long hours at the gym lifting weights in an attempt to build large muscles. Some individuals supplement their efforts by using muscle-building products. Muscle-building products can promote muscle development...
Discovered in 1994, the hormone leptin first gained attention as an indicator of the body's energy stores. Your fat cells are the primary producers of leptin; the blood level of the hormone correlates to the amount of fat in your body. In addition...
Hormone therapy for female-to-male (FTM) transgendered individuals involves taking the hormone testosterone to initiate what is essentially male puberty. When you are FTM, your biological gender is at odds with your brain gender. Testosterone...
Anabolic-androgenic steroids are synthetic drugs that are chemically related to the male sex hormone testosterone. Anabolic steroids are legal when there is a medical need to stimulate bone growth, increase appetite, induce male puberty or treat...
Whether men lose weight faster than women depends on how you frame the question. Men may generally tend to lose weight faster than women of comparable size due to biological and physiological factors, but every man does not lose weight faster than...
The adrenal glands are located on top of each of the kidneys and serve a variety of functions in the human body. The adrenal cortex releases products like the aldosterone (a mineralocorticoid), cortisol (glucocorticoid), dehydroepiandrosterone...
The male and female gonads--the testes and ovaries, respectively--arise out of a common embryonic tissue called the primordial gonad. Likewise, the male penis and female clitoris arise from a common precursor called the genital tubercle. For the...
Acne is inflammation of areas of the skin as a result of over activity of oil glands at the base of hair follicles. This happens when oil (sebaceous) glands manifest, most commonly during male and female puberty. Although acne is commonly found...
Obesity in a male teenager is best described as an adolescent with a body mass index that places him in the 95th or higher percentile for his age. This means he has a body mass index, or BMI, higher than roughly 95 percent of his peers. BMI is...
Testosterone is a male reproductive hormone. As a boy reaches puberty, testosterone causes the development of secondary sex characteristics, such as male pattern body and facial hair, a deep voice, growth of the penis and testicles and increased...
Sexual Questions Part II 1. What is an erection? An erection is a hardening of the penis that occurs when tubes in the penile tissues fill up with blood. Usually, an erection causes the penis to enlarge and stand away from the...
Hormonal changes associated with puberty are often to blame when it comes to teenage male acne. With the elevation of testosterone, the sebaceous glands under the surface of the skin tend to produce more sebum, which is an oily substance that...
Androgens are a type of hormone found in many organisms. They are responsible for deepening the voice in birds, amphibians and human males---they also are responsible for acne development in both sexes, according to Tulane University's e.Hormone...
During puberty, male sex hormones called androgens can cause normally light colored hairs on your face to become dark, curly and coarse. This condition, called hirsutism, affects approximately 10 percent of women in the U.S., according to...
Testosterone enanthate is a steroidal hormone derived from testosterone. It's usually administered through an injection into a muscle where it may then disperse into the body. Though not as commonly used as other steroids, it treats people with...
Hemochromatosis is the presence of an abnormally elevated amount of iron in the body. Iron overload is another way to describe this condition. Hemochromatosis can occur due to an inherited abnormality, also known as primary hemochromatosis. The...
Testosterone is a hormone that is produced by the testes and to a lesser extent, the adrenal gland in males. At puberty, it causes secondary sex characteristics such as facial and pubic hair to develop and also enlarges the penis and testes....
