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...
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...
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...
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,...
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...
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...
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 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...
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...
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...
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...
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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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...
Klinefelter syndrome is a genetic disorder in which male babies are born with an extra X chromosome. There is no way to prevent the genetic abnormality from occurring, but awareness, early diagnosis and early treatment can help prevent some of the...
Klinefelter syndrome is a genetic disorder that only affects males. It causes several distinctive physical characteristics in sufferers that can be used to identify the presence of the disorder. These characteristics arise from a lack of...
The prostate is a gland shaped like a walnut with two lobes surrounded by a covering of tissue. It's located in front of the rectum and under the bladder, and sends fluid into the urethra to create semen. There are a variety of causes of prostate...
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 --...
Andropause, the medical term for male menopause, refers to aging-related hormone changes in men. While some physicians encourage hormone replacement treatment programs for men who want to ward off declining energy levels and sexual and cognitive...
Steroids, also called anabolic-androgenic steroids, or AAS, are synthetic reproductions of the sex hormone testosterone. Though other steroids provide useful medical treatments for people with diseases such as AIDS and cancer, AAS are used...
The prostate is the male reproductive gland that produces semen, a milky fluid used to transport sperm when a man ejaculates. The prostate gland puts pressure on the urethra when it becomes enlarged, creating difficulty urinating because it blocks...
When a couple is unable to conceive after a year of unprotected sex, infertility is likely the problem. Men are as likely to be sterile as women are, according to the University of California, San Francisco Medical Center. Certain factors can...
Steroids are a man-made version of testosterone. Steroids are controlled substances that are taken via injection, orally or applied transdermally. There are many dangerous and permanent effects of steroid use. Steroid use changes the body in many...
DHEA is a hormone produced by your adrenal glands that your body uses to make other hormones, including sex hormones. DHEA food supplements are often touted as an anti-aging remedy and they are also used to increase athletic performance and treat...
