Viagra is a PDE5 inhibitor. PDE5 is an enzyme that promotes the degradation of cGMP in the blood, cGMP regulates blood volume in the penis, so reducing cGMP makes it difficult for men to get an erection. Viagra acts primarily on the circulatory and reproductive systems.

For men with low testosterone, testosterone supplementation is essential. Usually, doctors will prescribe testosterone therapy for men. Besides the benefits of testosterone supplementation, are there any potential risks?

Male infertility accounts for about 20% of the causes of infertility, of which more than 90% of cases are due to sperm abnormalities. Semen analysis is a method to evaluate sperm status in order to have timely interventions to protect men's reproductive health.

Semen analysis is a basic and essential step in the process of diagnosing infertility in couples. Through the results obtained from the test, the doctor will reflect the status of sperm in the semen and the natural fertility of men.

Erectile dysfunction is a concern for many men. However, due to the view that this is a secret disease, it leads to a feeling of inferiority and guilt, causing very few people to confide or seek treatment at a medical facility. So can erectile dysfunction be cured and how?

Undescended testicles are conditions in which the testicles do not move into their proper position in the scrotum behind the penis, occurring before a boy is born. Undescended testicles often affect fertility by reducing the quantity and quality of sperm. So can men with undescended testicles have children?

For men with low testosterone, early diagnosis and treatment are extremely important. However, due to the nature of the disease, many patients avoid going to the doctor and not getting treatment for low testosterone, making the condition worse.

Erectile dysfunction and premature ejaculation are two common physiological disorders in men. In fact, many people still confuse premature ejaculation and erectile dysfunction, causing treatment failure and the disease to become more serious.

The menopause stage occurs due to hormonal changes in the body. In women, menopause is caused by an imbalance between sex hormones, thereby increasing desire, helping the spirit to be more excited and happy. For men, menopause often occurs later due to a sudden increase in Testosterone levels before entering menopause. So at what age do men experience menopause and how does it manifest?

According to a study by the University of Chicago on men's physiological needs by age, at age 55, men expect to be able to extend their sexual life by 15 years. For women, this time will be about 11 years less. In fact, the sex life of healthy men at age 55 can last 5-7 years longer and for women, this number is about 3-5 years less.

Testosterone plays a crucial role in the development and enhancement of sexual desire, as well as the masculine traits in men. To increase the levels of testosterone in the blood, it is essential to adjust your daily eating habits and incorporate regular exercise. Below are 12 natural foods that can help boost testosterone