The Testosterone levels are at the highest during puberty and adolescence when boys physically change to young men. However, testosterone levels begin declining after the age of 30. This decline leads to many changes in your body. Testosterone is the most important hormone for male sexual development. It plays a big role in the growth of primary reproductive organs, as well as the development of so called secondary sexual characteristics, such as body hair and muscle mass. Primary male hypogonadism is when the trouble originates in the testes. This may also be referred to as primary testicular failure or male menopause. In fact, some of the symptoms are similar to female menopause. Depression is another of the major health problems that has been strongly linked to low testosterone levels. Also, men with low testosterone levels may notice that their chest, especially the male breast, tissues are becoming swollen and tender and painful.
While low testosterone is more common in older men, it can occur in younger men as well. Fortunately, all of the causes of low testosterone in young men are treatable, so if you experience such symptoms at any age, there’s no reason to ignore it. Although testosterone levels never reach zero, low testosterone levels men to experience symptoms such as fatigue, low sex drive, and loss of muscle mass. Low testosterone doesn't always interfere with sex, but it is possible. Some men with low testosterone may experience a drop in libido while others lose interest in sex completely. This is mainly due to our mental, physical, and emotional health being highly dependent on adequate testosterone levels to function properly. Testosterone deficiency can therefore cause a breakdown in bodily function, often subtly, as a man advances in age. Many men do not show any symptoms of decreasing levels of testosterone.
The testosterone level in the blood serum of a healthy man is subject to daily fluctuations and follows a circular rhythm, with the value of a maximum in the morning and a minimum in the afternoon. Depending on the age, the values of morning testosterone levels range between 1 and 4 nmol / l in boys before puberty, and between 13 and 23 nmol / l when the maturity is reached, with an average of about 16 for older men and about 18 for younger men . The standard range for all men is between 12 and 30 nmol / l (12 and 30 nmol / l).
There is obviously a correlation between sleep duration and testosterone levels. Thus, in a study conducted with 800 healthy men of all ages, testosterone levels first increased with increasing mean sleep duration (measured over three weeks), reached a high point after about eight hours, and immediately fell sharply again. While the increase is explained by an increase in hormone production, which occurs mainly during sleep, the decline is still unclear.
If the value of the testosterone level of a sex mature man drops below 12 nmol / l (12 nmol / l = 3.5 ng / ml = 346 ng / dl), he is considered to be in need of treatment. For serum levels less than 12 nmol / l, substitution therapy may be considered, and at values less than 8 nmol / l, it is generally recommended and used. If hypogonadism is present, substitution therapy may also be indicated for higher levels.