Obesity can cause many serious health problems. It also has a negative impact on men's sex lives, most notably erectile dysfunction or impotence. For women, obesity can easily affect sex drive and fertility.

Sex is a natural physiological need of human beings. Sex in cancer patients is a matter of concern for many people, especially those who have had or are suffering from various types of cancer. So should cancer patients abstain from sex?

Not being able to get an erection for a long time not only makes men stressed, anxious and lose confidence in themselves, but also affects the quality of their mental, emotional and sexual life. So why is it difficult for the penis to get an erection and maintain it for a long time?