The male reproductive system is composed mainly of the testes and penis. These organs can malfunction and lead to all sorts of problems. In some instances, the condition can be potentially life-threatening, while in other cases, the disorder can...
Testicular cancer, cancer originating in the male testes, is a rare form of cancer accounting for only 1 percent of all male cancers, according to TC-Cancer.com. Although rare, it is the most common type of cancer affecting men between the ages of...
The National Institutes of Health characterizes adolescent development as the physical and mental changes that occur between the ages of 12 and 18. It involves the development of distinct sexual characteristics, comprehension of abstract concepts,...
If your toddler has underarm hair growth, Kids Health recommends that you talk to his doctor. Precocious puberty is early puberty that occurs before age 7 or 8 in girls and before age 9 in boys. It is characterized by underarm hair as well as...
Men of any age can experience testicular tenderness after exercise. Because the testicles are extremely sensitive organs, even a minor mishap could lead to significant tenderness and pain in one or both testicles. Pain in the testicles after...
The incidence of testicular cancer in the United States is very low, accounting for only 1 percent of all male cancers. Testicular cancer is most often diagnosed in young, white men between the ages of 20 and 39, according to the National Cancer...
Muscle-building supplements are often taken by body builders or athletes for the purpose of building a muscular body or for enhancing their performance at competitive events. Some of the popular muscle-building supplements often used include...
Late childhood is generally defined as ages 9 through 12. Up until this point, most children have been growing at fairly predictable rates. Now, all bets are off due the often wild fluctuations in physical development. One preteen can be in a...
The Cleveland Clinic characterizes testosterone as a hormone that's predominately responsible for male sexual characteristics and fertility. But these aren't the sole bodily needs for this androgen. Mood, muscle mass, red blood cells and bone...
Testicular cancer is rare and is reported by the American Cancer Society as accounting for only 1 percent of all cancers. Testicular cancer is an extremely curable disease. If found in early stages, testicular cancer has a 95 percent five-year...
Several conditions may cause increased testosterone levels in men. According to MayoClinic.com, testosterone is a hormone that is produced primarily in your testes, if you are male. For men, testosterone serves many important functions, including...
The onset of puberty and its associated changes may cause emotions ranging from fear and anxiety to elation. The age at which puberty begins varies widely, but the first signs usually appear between age 10 and 15 for both boys and girls. Girls...
As children transition into adulthood, their bodies go through a series of changes during a process known as puberty. These changes are important and necessary, as they ultimately make children capable of reproduction. However necessary the...
Acne is a disorder of the sebaceous glands that usually presents during the teenage years. Onset at this time is due to hormonal changes that occur during puberty--specifically elevations in the androgenic hormone testosterone.
Human chorionic gonadotropin, known as HCG, is a prescription medication classified as an ovulation stimulator and gonadotropin. It is used to induce ovulation and pregnancy in infertile women who fail to ovulate. It is also used in treatment of...
During your teen years, your body will grow more than in any other period of your life besides infancy, according to KidsHealth online. This is because hormones suddenly produced by your pituitary gland will cause your child body to grow into a...
Testosterone is a hormone that stimulates the development of the penis and testes. It also plays a major role in changes the body undergoes during puberty, including increased muscle size, strength and bone density; sex drive regulation; and sperm...
Lymphoma is form of cancer of the lymphocytes, a type of white blood cell. The two broad categories of lymphoma are Hodgkin lymphoma and non-Hodgkin lymphoma. The American Cancer Society reports approximately 74,500 new cases of lymphoma were...
The American Cancer Society (ACS) reports that there were approximately 8,400 new cases of testicular cancer in 2009, and this disease was fatal in approximately 380 men. As the numbers show, the risk of dying of testicular cancer is relatively...
According to 2010 information from the American Liver Foundation, cancer that begins in the liver is less common in the United States than in other parts of the world, with approximately 21,000 cases diagnosed each year, but the number is...
Testicular pain can be excruciating due to the sensitivity of these organs. The pain can start in the testicles themselves or can radiate from the groin or abdomen area to one or both testicles, according to the Mayo Clinic. As a result, it is not...
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...
The two small organs located behind the penis are called the testicles and are a major part of the male reproductive system. The testicles---or testes---are responsible for making hormones (testosterone) and sperm in men. A testicular tumor is...
Powerlifting is a sport that involves lifting a weight in three attempts. The lifter's best attempt gets counted toward his or her score. The sport originated in the United Kingdom and the United States in the 1950s when "odd lifts" events --...
Prostate enlargement occurs in most men naturally as they age, and it is so prevalent that many doctors say it will appear in all men if they live long enough. As a statistical point, Medline Plus notes that some level of enlargement is present in...
Where can I find out more about male fertility?
For more information about male fertility, including suggestions for taking action and a list of resources,
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The Centers for Disease Control and Prevention reports an estimated 3.2 million Americans are living with chronic hepatitis C infection. While the disease varies in severity from person to person, the American Gastroenterological Association...
Testosterone is the hormone that spurs the production masculine qualities in men, such as deep voices and facial hair. Although women produce small levels of testosterone, testosterone production determines whether or not a fetus will become male...
