Testosterone is a chemical that is naturally produced by the human body, although it can be produced synthetically. It is present in males and females, but at higher levels in males. If your testosterone level has increased to a normal level, you...
Testosterone is an androgen, or male hormone. It's produced by the testes in response to hormones produced in and secreted by the brain, and is responsible for male sexual characteristics, appearance and behaviors. Though the hormone is made by...
Anadrol, which is the brand name for oxymetholone, is a synthetic form of testosterone. This medication can be used for the treatment of some kinds of anemia but it can also be used illicitly because it has powerful performance-enhancing effects....
Although the hormone testosterone is usually associated with men's health, women's bodies also produce some testosterone, according to the Mayo Clinic. If the amount of testosterone in a woman's body is either too low or too high, certain symptoms...
Testosterone is a steroidal hormone present in all mammals, reptiles and vertebrates. It is predominantly the male sex hormone and is responsible for muscle growth, deepening of the voice and hair growth. Testosterone is also present in women,...
The sex hormone testosterone is important for the development and maintenance of male sex characteristics. Testosterone is present in women as well, but not at the same levels as in men. Low testosterone levels can cause numerous symptoms, such as...
Building muscle strength with low testosterone can be a challenge, since testosterone is one of the primary hormones that promote the synthesis and development of new muscular tissue. However, it is possible to make progress with low testosterone...
Testosterone is a steroid hormone with a chemical structure based off that of cholesterol. Upon secretion into the bloodstream, testosterone circulates throughout the body and signals to cells within a number of tissues. Under normal conditions,...
Men lose about 1 percent of their testosterone per year after age 30, according to the Mayo Clinic---and testosterone can dip for reasons other than aging. Low levels of testosterone can result in a number of undesirable side effects including...
Men seek hormone therapy for a number of enticing reasons. Testosterone replacement therapy often promises to sharpen memory skills, increase muscle mass, improve memory and pump up the libido. Doctors use synthetic testosterone to treat a number...
Between the ages of 30 and 80 testosterone levels in men decline; levels can reach as low as 20 percent of what it was during a male's youth. A decrease in testosterone can lead to a number of illnesses such as heart disease and diabetes. There...
Testosterone declines naturally with age, but the depletion of testosterone can be accelerated by bad health habits or chronic health conditions. For men with serious or chronic testosterone problems, testosterone therapy might be the answer. For...
Progesterone is a hormone produced in the ovaries and adrenal glands that plays a role in a number of processes in the body. Progesterone helps to regulate a woman's menstrual cycle and supports pregnancy, helps regulate mood and performs a range...
As men age, they tend to suffer a decrease in free testosterone. Some studies show a drop in availability of 1 percent per decade at minimum, starting at the age of 30. Several causes have been identified, including a decrease in production, more...
During puberty and menopause, the body undergoes a series of changes due to changes in hormone production in the body. Hormones such as estrogen and testosterone signal to a number of cells throughout the body and promote fertility and...
Problems related to sperm are common causes of infertility. About half of all couples experiencing infertility have some type of male factor issue, according to the Mayo Clinic. While severe male factor issues will need medical intervention,...
If you have polycystic ovarian syndrome, or PCOS, your ovaries produce an excess of androgens--the group of male hormones that includes testosterone. Such an excess can lead to a number of troublesome symptoms, such as acne, excess body hair and...
Production and regulation of testosterone in the human body occurs as a result of the hypothalamus in the brain, the pituitary gland and the testes working together. According to Health Communities, the testes normally produce 4 to 7mg of...
Hormone levels within the body are tightly controlled by a network of tissues that produce and secrete hormones. Hormone levels differ between sexes; women typically have higher estrogen and progesterone, while men have higher testosterone levels....
Mesterolone is a type of androgen, or male hormone, prescribed for androgen deficiency, or low levels of natural male hormones, and for infertility in men, according to Patient UK. Commonly known by the brand name Proviron, the hormone is used by...
Human chorionic gonadotropin (HCG) is a hormone that is naturally produced during pregnancy. Some people use HCG for its touted body-building effects. According to the National Drug and Alcohol Research Centre (NDARC) of Australia, when taken from...
Ginseng is a natural herb that has been used for more than 5,000 years to improve human health. There are several species, but four stand out as the most popular: American, Chinese, Korean and Siberian ginseng. American and Chinese ginseng are...
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...
In men, the prostate gland surrounds the urethra where it connects to the bladder. As men age, they sometimes experience a condition called benign prostatic hypertrophy, or BPH, which interferes with urination. Although the cause is not well...
When the natural fertility cycle comes to an end during the menopause, a decrease in the circulating blood hormones -- estrogen, progesterone and testosterone -- can cause a number of symptoms, including reduced libido, lack of energy, irregular...
Most people are aware that testosterone is the primary male sex hormone and is related to muscle growth and development. What you might not know is that testosterone serves a number of other purposes. As the website AndroPause notes, testosterone...
Testosterone is an anabolic or tissue-building steroid hormone produced by the testes and ovaries. Men have a greater concentration of testosterone than women. According to a 2008 study by Blair Crewther and colleagues, published by the National...
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...
To feel at your best, you need to follow a healthy and balanced diet and partake in regular physical activity. A number of foods may specifically be of benefit to men. For example, oysters can boost libido, and oily fish can safeguard heart...
