Celiac disease is a digestive disorder that causes negative reactions when a person ingests gluten, a protein found in wheat, barley and rye. According to the University of Chicago Celiac Disease Center (UCCDC), children tend to exhibit more...
Testosterone is one of the major hormones that induces male secondary sexual characteristics such as deepening voice and growth of body hair. Typically, boys don't start making detectable amounts of testosterone until puberty. For this reason,...
Testosterone is a hormone produced by males in their testes and females in their ovaries and adrenal glands that helps produce red blood cells, muscles and bone density. It also affects libido and sperm production in men and menstruation in women....
Testosterone is a medication used to treat delayed puberty, impotence and testosterone deficiency. Normally, testosterone is made in the testes and ovaries. When testosterone levels decline, the aforementioned conditions occur. According to...
Estradiol is the most common form of a type of hormone known as estrogen. This hormone is present in both men and women but has most of its function in women. Estradiol helps drive the menstrual cycle and is also involved in bone strength and in...
Testosterone is a male sex hormone that the male and female body produce naturally, though in higher concentrations in males. This hormone is responsible for male characteristics such as a deep voice, enlarged muscle mass, growth of sex organs and...
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...
Nutrition is essential for good health at every age, but is especially important during puberty. This is a time when rapid changes in your body increase your nutritional requirements. Nutritional quality during puberty influences growth, sexual...
Your doctor might order a testosterone test for a variety of reasons---whether you are a male or a female. It's important to have your doctor interpret your test results because the normal testosterone range will vary depending on your age and...
As if homework, tests, after school activities and constant lectures from adults weren't enough, you also have a vast array of physical changes to deal with in your teen years. Sometimes it seems like changes occur overnight, and you feel a little...
As a child with cystic fibrosis (CF) ages, complications from this chronic disease continue to develop. Respiratory infections can become increasingly hard to treat as different types of bacteria infect the lungs. Teenagers with the disease begin...
Crohn's disease is a chronic inflammatory condition of the gastrointestinal tract. It usually presents in early adolescence. It is thought to be caused by a combination of environmental factors affecting a patient with a genetic predisposition to...
Testosterone is usually associated with male sex hormones produced by the testicles, but it is also made in lesser volume in the female ovaries as well as the adrenal system. It can be given artificially (brand names include Androderm, Striant and...
Testosterone is a naturally occurring sex hormone. Testicles and ovaries produce testosterone in body, but males have a greater amount of the hormone. Testosterone injections treat conditions, such as delayed puberty in males and for breast cancer...
During your reproductive years, many life events can alter your menstrual cycle, including pregnancy, breastfeeding and perimenopause. Your hormones fluctuate as you get older, and you may find that your periods gradually or suddenly become closer...
Puberty marks the time when hair starts to thicken or grow in areas where no hair grew before. While females can expect hair to thicken on the legs and grow in the armpits and genital area, males can expect thickened hair on the arms and legs, and...
Anorexia nervosa is an eating disorder characterized by a person's distorted image of her body. An extremely thin person may view herself as being overweight. People who suffer from this disorder become obsessed with dieting and weight loss.
Testosterone is a male hormone that is present in both men and women. The hormones is responsible for male sexual development and libido. Normal levels of testosterone in men range from 300 to 1000 nanograms per decliter; female levels of...
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...
FSH, shorthand for follicle-stimulating hormone, is a substance that is released by the pituitary gland. FSH is required for normal fertility; the hormone stimulates a man's sperm production and the release of eggs in a woman. According to the...
Klinefelter's disease, also known as Klinefelter's syndrome or XXY male, refers to a common genetic disorder where males have an extra X chromosome (genetic material) in each of their cells. According to the Mayo Clinic, Klinefelter's syndrome can...
Estradiol is one form of the estrogen class of hormones. Estrogens are present in both males and females, but they play a greater role in the female body. Estrogen is one of many hormones that is involved in the menstrual cycle. It is also...
Girls can expect to see the beginnings of breast formation as they approach their adolescent years. Soon, the hormone estrogen causes fat to start accumulating in breasts and the duct system forms, which will allow a girl to feed a baby when she...
Both men and women produce testosterone. This hormone is intrinsically connected to the sexual health, libido and development of secondary sexual characteristics in both men and women. Although testosterone levels fluctuate throughout life, they...
Zinc is an element needed by the body in order to grow. People who have low levels of zinc may experience delayed puberty, a loss of the senses of taste and smell, and may heal from wounds more slowly than others. People can get this vital...
Children receive numerous health benefits from sports, including healthy bones and muscles, decreased risk of obesity and lower levels of stress, according to pediatrician William Sears. When children overtrain, however, they are susceptible to a...
Weight loss offers many benefits to an overweight teenage girl including improvements in the self-esteem, blood sugar levels, blood pressure and cholesterol levels. However, too much weight loss -- or doing it in an unhealthy manner -- can cause...
Crohn's disease is an inflammatory bowel disease (IBD), usually focused in the lower small intestine (ileum) and parts of the large intestine; however, it can affect any area along the digestive tract. It doesn't usually set in before the late...
Celiac disease is an intestinal disorder caused by consumption of the protein gluten, which is primarily found in bread, pasta, cookies, wheat, rye, pizza and barley. People with celiac disease who eat foods containing gluten experience an immune...